In addition to gellyfish's comments - it looks like you have more than one active $sth on the same connection, and this may be the cause of the problem. SQL Server (and Sybase) in general don't support multiple active statements on the same connection.

Michael

In reply to Re: DBD: dbd_describe/SQLNumResultCols err=-1 by mpeppler
in thread DBD: dbd_describe/SQLNumResultCols err=-1 by Anonymous Monk

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