Request Entity Too Large Error

[א ש]

Hello everyone
I hope this is the right place for this question
I'm new here so if that's not the place I apologize
I set up a forum on Linux server exactly as instructed in the directory
But almost everything I try to bring up I get this error
Does anyone know how to fix it?
I apologize for the bad language I write with Google translation
Thanks in advance

[y h]

@א-ש see https://community.nodebb.org/topic/12815/error-request-entity-too-large