问题描述：
无法发布评论（会自动追加到原文中），发布新帖子时会提示错误。
报错内容：
Oops! Something went wrong. Please reload the page and try again.
调试模式报错内容：
POST https://www.hicode.icu/api/posts
<br />
<b>Warning</b>: preg_replace_callback(): Empty regular expression in <b>/www/wwwroot/hicode/vendor/fof/filter/src/Listener/FilterPosts.php</b> on line <b>136</b><br />
<br />
<b>Fatal error</b>: Uncaught Laminas\HttpHandlerRunner\Exception\EmitterException: Output has been emitted previously; cannot emit response in /www/wwwroot/hicode/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php:24
Stack trace:
#0 /www/wwwroot/hicode/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitterTrait.php(40): Laminas\HttpHandlerRunner\Exception\EmitterException::forOutputSent()
#1 /www/wwwroot/hicode/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitter.php(27): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput()
#2 /www/wwwroot/hicode/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(98): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit(Object(Flarum\Api\JsonApiResponse))
#3 /www/wwwroot/hicode/vendor/flarum/core/src/Http/Server.php(42): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#4 /www/wwwroot/hicode/public/index.php(26): Flarum\Http\Server->listen()
#5 {main}
thrown in <b>/www/wwwroot/hicode/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php</b> on line <b>24</b><br />
已尝试的解决办法：
关闭部分插件