[Error Message] how to remove

[esra]

You have failed all access attempts allowed. You must wait for 0 hours 11 minutes 40 seconds before attempting to enter again.
this sentence on my froum?

[.m.]

have you tried again after that given time period ? do you still get login error ?
if login to forum does not work in first attempt then try direct login to admin panel

exactly which version of MyBB you are using ? is it recently upgraded ?