1. wpForo: 1.9.6, WordPress: 5.7 2. No changes for wpForo in functions.php 3. no template files in the current theme 4. cookies are active 5. ...

@dimalifragis yes but the most are from not finding images, the backup had no images inside.

And i repeat, i know that, i fixed it already.

I know how to fix it dear, wha i dont know is how to update the WPForo.

@dimalifragis Fatal error. And yes it was the same issue, now it's fixed

I have problems using LSCache,widgets are not updating, reply box is not opening and all these with wpforo excluded and optimizations closed.

Hello, this is the error from the log file: Uncaught TypeError: fclose(): Argument #1 ($stream) must be of type resource, bool given in <path>...

i will when i wil be back, must run thank you

Ok i will start enabling options and i will let you know when there is problem

now autoptimize is enabled but only Optimize JavaScript Code check to work and there is no problem but there is not big optimazation too