Title: Fatal PHP errors in my ERROR.LOG Last modified: December 31, 2020 --- # Fatal PHP errors in my ERROR.LOG * Resolved [makobaby01](https://wordpress.org/support/users/makobaby01/) * (@makobaby01) * [5 years, 5 months ago](https://wordpress.org/support/topic/fatal-php-errors-in-my-error-log/) * From time to time I analyze ERROR.LOG and DEBUG.LOG, in debug nothing is shown, only in error.log * This is the error: * ``` PHP Fatal error: Uncaught Error: Call to undefined function wp_cache_get() in /*/wp-includes/option.php:97 Stack trace: #0 /*/wp-includes/l10n.php(69): get_option('WPLANG') #1 /*/wp-includes/l10n.php(137): get_locale() #2 /*/wp-includes/l10n.php(1277): determine_locale() #3 /*/wp-includes/l10n.php(1239): _get_path_to_translation_from_lang_dir('wp-optimize') #4 /*/wp-includes/l10n.php(1209): _get_path_to_translation('wp-optimize') #5 /*/wp-includes/l10n.php(1307): _load_textdomain_just_in_time('wp-optimize') #6 /*/wp-includes/l10n.php(177): get_translations_for_domain('wp-optimize') #7 /*/wp-includes/l10n.php(289): translate('User is logged ...', 'wp-optimize') #8 /*/wp-content/plugins/wp-optimize/cache/file-based-page-cache-functions.php(33): __('User is logged ...', 'wp-optimize') #9 [inte in /*/wp-includes/option.php on line 97 ``` * I hope you can help me Viewing 4 replies - 1 through 4 (of 4 total) * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [5 years, 4 months ago](https://wordpress.org/support/topic/fatal-php-errors-in-my-error-log/#post-13853337) * [@makobaby01](https://wordpress.org/support/users/makobaby01/) Do you have any other cache plugin installed? If yes, can you please disable it and check if you are still seeing the errors in error log file? * Thread Starter [makobaby01](https://wordpress.org/support/users/makobaby01/) * (@makobaby01) * [5 years, 4 months ago](https://wordpress.org/support/topic/fatal-php-errors-in-my-error-log/#post-13861925) * I don’t have it, I only use your plugin, but I have cache settings in my .htacess, do you think this can change anything? * [Harshad](https://wordpress.org/support/users/bornforphp/) * (@bornforphp) * [5 years, 4 months ago](https://wordpress.org/support/topic/fatal-php-errors-in-my-error-log/#post-13870109) * [@makobaby01](https://wordpress.org/support/users/makobaby01/) Can you please share the .htaccess rules here, so that we can check it? * Thread Starter [makobaby01](https://wordpress.org/support/users/makobaby01/) * (@makobaby01) * [5 years, 4 months ago](https://wordpress.org/support/topic/fatal-php-errors-in-my-error-log/#post-13872684) * In my .htacess in relation to the cacher, only those lines, outside the WEBP express. * ``` ExpiresActive on ExpiresDefault "access plus 1 month" # CSS ExpiresByType text/css "access plus 1 year" # Data interchange ExpiresByType application/atom+xml "access plus 1 hour" ExpiresByType application/rdf+xml "access plus 1 hour" ExpiresByType application/rss+xml "access plus 1 hour" ExpiresByType application/json "access plus 0 seconds" ExpiresByType application/ld+json "access plus 0 seconds" ExpiresByType application/schema+json "access plus 0 seconds" ExpiresByType application/geo+json "access plus 0 seconds" ExpiresByType application/xml "access plus 0 seconds" ExpiresByType text/calendar "access plus 0 seconds" ExpiresByType text/xml "access plus 0 seconds" # Favicon (cannot be renamed!) and cursor images ExpiresByType image/vnd.microsoft.icon "access plus 1 week" ExpiresByType image/x-icon "access plus 1 week" # HTML ExpiresByType text/html "access plus 0 seconds" # JavaScript ExpiresByType application/javascript "access plus 1 year" ExpiresByType application/x-javascript "access plus 1 year" ExpiresByType text/javascript "access plus 1 year" # Manifest files ExpiresByType application/manifest+json "access plus 1 week" ExpiresByType application/x-web-app-manifest+json "access plus 0 seconds" ExpiresByType text/cache-manifest "access plus 0 seconds" # Markdown ExpiresByType text/markdown "access plus 0 seconds" # Media files ExpiresByType audio/ogg "access plus 1 month" ExpiresByType image/apng "access plus 1 month" ExpiresByType image/bmp "access plus 1 month" ExpiresByType image/gif "access plus 1 month" ExpiresByType image/jpeg "access plus 1 month" ExpiresByType image/png "access plus 1 month" ExpiresByType image/svg+xml "access plus 1 month" ExpiresByType image/webp "access plus 1 month" ExpiresByType video/mp4 "access plus 1 month" ExpiresByType video/ogg "access plus 1 month" ExpiresByType video/webm "access plus 1 month" # WebAssembly ExpiresByType application/wasm "access plus 1 year" # Web fonts # Collection ExpiresByType font/collection "access plus 1 month" # Embedded OpenType (EOT) ExpiresByType application/vnd.ms-fontobject "access plus 1 month" ExpiresByType font/eot "access plus 1 month" # OpenType ExpiresByType font/opentype "access plus 1 month" ExpiresByType font/otf "access plus 1 month" # TrueType ExpiresByType application/x-font-ttf "access plus 1 month" ExpiresByType font/ttf "access plus 1 month" # Web Open Font Format (WOFF) 1.0 ExpiresByType application/font-woff "access plus 1 month" ExpiresByType application/x-font-woff "access plus 1 month" ExpiresByType font/woff "access plus 1 month" # ExpiresByType application/font-woff2 "access plus 1 month" ExpiresByType font/woff2 "access plus 1 month" # Other ExpiresByType text/x-cross-domain-policy "access plus 1 week" ``` Viewing 4 replies - 1 through 4 (of 4 total) The topic ‘Fatal PHP errors in my ERROR.LOG’ is closed to new replies. * ![](https://ps.w.org/wp-optimize/assets/icon-256x256.png?rev=1552899) * [WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance](https://wordpress.org/plugins/wp-optimize/) * [Frequently Asked Questions](https://wordpress.org/plugins/wp-optimize/#faq) * [Support Threads](https://wordpress.org/support/plugin/wp-optimize/) * [Active Topics](https://wordpress.org/support/plugin/wp-optimize/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wp-optimize/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wp-optimize/reviews/) ## Tags * [error php](https://wordpress.org/support/topic-tag/error-php/) * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/) * [php](https://wordpress.org/support/topic-tag/php/) * 4 replies * 2 participants * Last reply from: [makobaby01](https://wordpress.org/support/users/makobaby01/) * Last activity: [5 years, 4 months ago](https://wordpress.org/support/topic/fatal-php-errors-in-my-error-log/#post-13872684) * Status: resolved