I'm afraid I still haven't been able to reproduce your problem. I tried updatig my 2.3.1 to a 2.3.2 installation, and still no problems with hints for me. Is you copy of PG also at 2.3.2?
Does the error occur in the Library Browser, or in problems actually assigned to a homework set, or both?
Davide
WeBWorK Problems
Webwork Warning when using HINT
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