hi Catherine,
it could be that this is a database driver error as the processing for sql expressions is done there...they get added to the database query as a subselect. are you using odbc? here's the driver that i'm using...
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please see the attached report (change the .txt extension to .rpt of the extracted contents) and you can see the sql expression there.
what i would suggest to get rid of this error is to ensure that you've got the latest patch for your crystal reports (just in case it is a cr related error) and if that doesn't help ensure you've got the latest odbc driver for ms access.
cheers,
jamie
