I have an error "you have merged too manny pages, and i need to solve that because i want to merge one more :)
You can merge as many Pages as you'd like, however you likely can't merge more than a few Pages at once.
If you have 2 Facebook Pages for the same thing, you may be able to merge them if:
To merge your Pages:
If you're unable to merge your Pages, it means that your Pages aren't eligible to be merged. If you see the option to request to merge your Pages, Facebook will review your request.
kindly tell pages name and like count as they may be the cause of error