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support2025.12.18. 00:39:45 [error] 64200#64200: *169772 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Error: Class "Simple_History\Channels\Channels\File_Channel" not found in /public/wp-content/plugins/simple-history/inc/channels/class-channels-manager.php:50 2025.12.18. 00:39:45 Stack trace: 2025.12.18. 00:39:45 #0 /wp-content/plugins/simple-history/inc/channels/class-channels-manager.php(37): Simple_History\Channels\Channels_Manager->register_core_channels() 2025.12.18. 00:39:45 #1 /wp-content/plugins/simple-history/inc/services/class-channels-service.php(29): Simple_History\Channels\Channels_Manager->loaded() 2025.12.18. 00:39:45 #2 /wp-content/plugins/simple-history/inc/class-simple-history.php(263): Simple_History\Services\Channels_Service->loaded() 2025.12.18. 00:39:45 #3 /wp-content/plugins/simple-history/inc/class-simple-history.php(212): Simple_History\Simple_History->load_service('Simple_History\\...') 2025.12.18. 00:39:45 #4 /wp-content/plugins/simple-history/inc/class-simple-history.php(123): Simple" while reading response header from upstream, client: , server: domain, request: "GET /wp-admin/ HTTP/2.0", upstream: "fastcgi://unix:/var/run/php8.1-fpm.sock:", host: "domain:23032"
This is on a multisite.
If I install the plugin via GUI, no issues, if I install on my local environment and push to our repo and sync to server, causes a fatal error. This plugin has always remained in the plugin updates list when pushing code to our repo, it is the only plugin with this behavior in our multisite, every other plugin updates and is no longer shown in the plugin updates list. I’ve never reported this behavior prior as it has never caused a fatal error, until now.
Thanks for the report, while I am unable to reproduce this I got some ideas from Claude Code about what the cause could be. So I have released version 5.22.0 of the plugin that hopefully fixes this.
Hey, an update regarding this, as I have really tried to identify what could cause this. Still.. without success however! I have nog gotten any support emails or support threads mentioning this the last month. Not much I can do now. If it happens again in the next version I would be grateful if you could post debug info like wp version, php version, host setup, active plugin, active theme, and so on, basically anything that could help me identify this issue. Thanks!
Please try updating again and let med know if the latest version solves this.
Hi! No reports since the last version update, so I think this is fixed now. If you still have this issue please start a new support thread.
This is on a multisite.
If I install the plugin via GUI, no issues, if I install on my local environment and push to our repo and sync to server, causes a fatal error. This plugin has always remained in the plugin updates list when pushing code to our repo, it is the only plugin with this behavior in our multisite, every other plugin updates and is no longer shown in the plugin updates list. I’ve never reported this behavior prior as it has never caused a fatal error, until now.
Thanks for the report, while I am unable to reproduce this I got some ideas from Claude Code about what the cause could be. So I have released version 5.22.0 of the plugin that hopefully fixes this.
Hey, an update regarding this, as I have really tried to identify what could cause this. Still.. without success however! I have nog gotten any support emails or support threads mentioning this the last month. Not much I can do now. If it happens again in the next version I would be grateful if you could post debug info like wp version, php version, host setup, active plugin, active theme, and so on, basically anything that could help me identify this issue. Thanks!
Please try updating again and let med know if the latest version solves this.
Hi! No reports since the last version update, so I think this is fixed now. If you still have this issue please start a new support thread.