Critical WordPress Error – Admin unavailable but site still functioning

[pj3Participant]

Just had this happen when I was updating an Elementor page on a client site.

Debug error log shows the following:

[13-Feb-2020 07:10:36 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:10:37 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:10:37 UTC] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 62914592 bytes) in /home/funhqcom/public_html/hire/wp-includes/wp-db.php on line 1397
[13-Feb-2020 07:10:50 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:12:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:12:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:13:17 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:13:17 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:13:19 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:13:21 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:13:21 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:14:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:14:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:14:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:16:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:16:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:19:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:19:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:24:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:24:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:29:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:29:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:34:07 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:34:07 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:36:48 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:36:48 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:36:48 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 16777216 bytes) in /home/funhqcom/public_html/hire/wp-includes/wp-db.php on line 2030
[13-Feb-2020 07:39:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:39:07 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:40:49 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:40:49 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:40:49 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 73728 bytes) in /home/funhqcom/public_html/hire/wp-content/plugins/elementor-pro/plugin.php on line 142
[13-Feb-2020 07:40:49 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 65536 bytes) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:40:49 UTC] PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
[13-Feb-2020 07:40:53 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:40:53 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/funhqcom/public_html/hire/wp-includes/meta.php on line 958
[13-Feb-2020 07:40:53 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:41:38 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:41:38 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:41:38 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 147456 bytes) in /home/funhqcom/public_html/hire/wp-content/plugins/jet-elements/includes/class-jet-elements-integration.php on line 318
[13-Feb-2020 07:41:38 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 131072 bytes) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:41:38 UTC] PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
[13-Feb-2020 07:44:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:44:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:47:25 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:47:26 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:47:26 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:47:26 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/funhqcom/public_html/hire/wp-content/plugins/elementor/includes/controls/base-multiple.php on line 66
[13-Feb-2020 07:47:26 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/funhqcom/public_html/hire/wp-content/plugins/elementor/includes/controls/groups/base.php on line 506
[13-Feb-2020 07:47:26 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 65536 bytes) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:47:26 UTC] PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
[13-Feb-2020 07:47:29 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:47:30 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/funhqcom/public_html/hire/wp-content/plugins/elementor/includes/base/controls-stack.php on line 321
[13-Feb-2020 07:47:30 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 131072 bytes) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:47:30 UTC] PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
[13-Feb-2020 07:49:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:49:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:54:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:54:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:56:18 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:56:18 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:56:18 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 20480 bytes) in /home/funhqcom/public_html/hire/wp-content/plugins/elementor/includes/base/controls-stack.php on line 1811
[13-Feb-2020 07:56:18 UTC] PHP Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 65536 bytes) in /home/funhqcom/public_html/hire/wp-includes/functions.php on line 4552
[13-Feb-2020 07:56:18 UTC] PHP Fatal error: Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0
[13-Feb-2020 07:59:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 07:59:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 08:04:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 08:04:08 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 08:09:07 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 08:09:07 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 08:14:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116
[13-Feb-2020 08:14:06 UTC] PHP Warning: Use of undefined constant ‘UPDRAFTPLUS_NO_BINZIP’ – assumed ‘‘UPDRAFTPLUS_NO_BINZIP’’ (this will throw an Error in a future version of PHP) in /home/funhqcom/public_html/hire/wp-config.php on line 116

Damn this is not fun :-(

[Dee NutbourneModerator]

Hi,

The ‘UPDRAFTPLUS_NO_BINZIP’ warnings indicate that there is a typo in your wp-config.php file.

This is likely because the following line has been added to your wp-config incorrectly:
define('UPDRAFTPLUS_NO_BINZIP', true);

If you see a line similar to the above in your wp-config, please try replacing it with the above.

However, the actual fatal error appears to be originating from somewhere else.
Your server is reaching its memory limit when attempting to load WP-Admin. However, this limit seems to be set very low.

I would recommend adding the following to your wp-config.php file (just above the database credentials), to try and raise the memory limit:

define( 'WP_MEMORY_LIMIT', '256M' );
define('WP_MAX_MEMORY_LIMIT', '512M');

Best Wishes,
Dee

[Author]

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