Remove is not allowed error as described in var logs

Question

Following error in var/log/system file

or it is appearing in main site .

I have seen these files even in vendor also but issue is still there .

I have removed var/cache , var/generated , var/view_preprocessed

almost i did everything but issue is there .

Answer 1

As per your error screen, it seems you have added remove attribute in some container element.

remove is only allowed and works for blocks.