I could go on and on about file locks, but I won't, as you want a resolution, not an answer which will give you nightmares; this is a problem with your webhost, and not your forum software, they need to go play with resources as a properly configured server should never spew this error.

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
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