Title: Fatal Errors Last modified: April 25, 2025 --- # Fatal Errors * Resolved [adio93](https://wordpress.org/support/users/adio93/) * (@adio93) * [11 months, 2 weeks ago](https://wordpress.org/support/topic/fatal-errors-106/) * Hi, I get an error in the logs, what does it mean? * **2025-04-24T23:41:01+00:00 Critical** Uncaught WebPConvert\Convert\Exceptions\ ConversionFailed\ConverterNotOperational\SystemRequirementsNotMetException: exec() is not enabled (nor is alternative methods, such as proc_open()) in /home/user/ web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/vendor/rosell-dk/webp- convert/src/Convert/Converters/ConverterTraits/ExecTrait.php:102 Дополнительный контекст{ “error”: { “type”: 1, “file”: “/home/user/web/auhouse.ru/public_html/ wp-content/plugins/wp-optimize/vendor/rosell-dk/webp-convert/src/Convert/Converters/ ConverterTraits/ExecTrait.php”, “line”: 102 }, “remote-logging”: true, “backtrace”:[“”,“# 0 /home/user/web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/vendor/ rosell-dk/webp-convert/src/Convert/Converters/ImageMagick.php(128): WebPConvert\ Convert\Converters\ImageMagick->checkOperationalityExecTrait()”, “#1 /home/user/ web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/vendor/rosell-dk/webp- convert/src/Convert/Converters/AbstractConverter.php(248): WebPConvert\Convert\ Converters\ImageMagick->checkOperationality()”, “#2 /home/user/web/auhouse.ru/ public_html/wp-content/plugins/wp-optimize/vendor/rosell-dk/webp-convert/src/ Convert/Converters/AbstractConverter.php(295): WebPConvert\Convert\Converters\ AbstractConverter->doConvertImplementation()”, “#3 /home/user/web/auhouse.ru/ public_html/wp-content/plugins/wp-optimize/webp/class-wpo-webp-utils.php(55): WebPConvert\Convert\Converters\AbstractConverter->doConvert()”, “#4 /home/user/ web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/webp/class-wpo-webp- convert.php(48): WPO_WebP_Utils::perform_webp_conversion()”, “#5 /home/user/web/ auhouse.ru/public_html/wp-content/plugins/wp-optimize/webp/class-wpo-webp-convert. php(24): WPO_WebP_Convert->check_converters_and_do_conversion()”, “#6 /home/user/ web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/webp/class-wpo-webp- utils.php(33): WPO_WebP_Convert->convert()”, “#7 /home/user/web/auhouse.ru/public_html/ wp-content/plugins/wp-optimize/includes/class-updraft-smush-task.php(106): WPO_WebP_Utils:: do_webp_conversion()”, “#8 /home/user/web/auhouse.ru/public_html/wp-content/plugins/ wp-optimize/vendor/team-updraft/common-libs/src/updraft-tasks/class-updraft-task. php(296): Updraft_Smush_Task->run()”, “#9 /home/user/web/auhouse.ru/public_html/ wp-content/plugins/wp-optimize/vendor/team-updraft/common-libs/src/updraft-tasks/ class-updraft-task-manager.php(53): Updraft_Task_1_2->attempt()”, “#10 /home/ user/web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/vendor/team-updraft/ common-libs/src/updraft-tasks/class-updraft-task-manager.php(127): Updraft_Task_Manager_1_4- >process_task()”, “#11 /home/user/web/auhouse.ru/public_html/wp-content/plugins/ wp-optimize/includes/class-updraft-smush-manager.php(334): Updraft_Task_Manager_1_4- >process_queue()”, “#12 /home/user/web/auhouse.ru/public_html/wp-includes/class- wp-hook.php(324): Updraft_Smush_Manager->process_smush_tasks()”, “#13 /home/user/ web/auhouse.ru/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()”,“# 14 /home/user/web/auhouse.ru/public_html/wp-includes/plugin.php(565): WP_Hook- >do_action()”, “#15 /home/user/web/auhouse.ru/public_html/wp-cron.php(191): do_action_ref_array()”,“# 16 {main}”, “thrown” ] } * ![](https://i0.wp.com/pixel.wp.com/t.gif?ssl=1) Viewing 3 replies - 1 through 3 (of 3 total) * Thread Starter [adio93](https://wordpress.org/support/users/adio93/) * (@adio93) * [11 months, 2 weeks ago](https://wordpress.org/support/topic/fatal-errors-106/#post-18435058) * Another error in the logs * [Fri Apr 25 04:05:17.619394 2025] [proxy_fcgi:error] [pid 1257:tid 1271] [client 52.220.220.42:0] AH01071: Got error ‘PHP message: PHP Fatal error: Uncaught Error: Call to undefined function wp_cache_get() in /home/user/web/auhouse.ru/public_html/ wp-includes/option.php:621\nStack trace:\n#0 /home/user/web/auhouse.ru/public_html/ wp-includes/option.php(164): wp_load_alloptions()\n#1 /home/user/web/auhouse. ru/public_html/wp-includes/l10n.php(63): get_option()\n#2 /home/user/web/auhouse. ru/public_html/wp-includes/l10n.php(166): get_locale()\n#3 /home/user/web/auhouse. ru/public_html/wp-includes/l10n.php(1364): determine_locale()\n#4 /home/user/ web/auhouse.ru/public_html/wp-includes/l10n.php(1409): _load_textdomain_just_in_time()\ n#5 /home/user/web/auhouse.ru/public_html/wp-includes/l10n.php(195): get_translations_for_domain()\ n#6 /home/user/web/auhouse.ru/public_html/wp-includes/l10n.php(307): translate()\ n#7 /home/user/web/auhouse.ru/public_html/wp-content/plugins/wp-optimize/cache/ file-based-page-cache-functions.php(39): __()\n#8 [internal function]: wpo_cache()\ n#9 {main}\n thrown in /home/user/web/auhouse.ru/public_html/wp-includes…’ * Plugin Support [Damilare](https://wordpress.org/support/users/deabiodun/) * (@deabiodun) * [11 months, 2 weeks ago](https://wordpress.org/support/topic/fatal-errors-106/#post-18436812) * Hi! * It looks like some PHP functions are not enabled on your server, and this is preventing WebP conversion from working. * Please check with your hosting provider to confirm that one or more of the following functions have not been disabled - escapeshellarg, - exec, - shell_exec, - passthru, - system, - proc_open * Everything should work fine once that restriction is removed. * Regards. * Thread Starter [adio93](https://wordpress.org/support/users/adio93/) * (@adio93) * [11 months, 2 weeks ago](https://wordpress.org/support/topic/fatal-errors-106/#post-18438474) * Thank you, this helped Viewing 3 replies - 1 through 3 (of 3 total) The topic ‘Fatal Errors’ 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/) * 3 replies * 2 participants * Last reply from: [adio93](https://wordpress.org/support/users/adio93/) * Last activity: [11 months, 2 weeks ago](https://wordpress.org/support/topic/fatal-errors-106/#post-18438474) * Status: resolved