On 20-3-2013 11:20, Olaf Kluge wrote:

> I think it's a problem of ibexpert Version 2009. Although I can select the
> fb 2.5 version, but while debugging I get this error. If I execute the sp,
> it works.

Debugging a stored procedure is not identical to actual execution
because Firebird doesn't actually support debugging. IB Expert is
simulating the execution of the stored procedure, and apparently it is
doing something wrong with that.

Mark
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Mark Rotteveel