Quote Originally Posted by Design75 View Post
You probably have no value set for you admin ip under configuration->maintenance
Nah, it wouldn't be that. The error message is "PHP Warning: strstr(): Empty needle", which means that it's the $_SERVER['REMOTE_ADDR'] variable being set.

Why it's not being set is something I can't answer, but as SignTorch suggested, suppressing the error is probably the easiest 'fix'.

Cheers
RodG