Juan,

Just a WAG, maybe you change SPT connection to the Asynchronous mode somehow? Can you post relevant code?

>Since yesterday after executing a simple SPT query i receive the 1475 error message .
>
>An invalid SQL pass-through (SPT) function call has been made while a SQLMORERESULTS( ) call was expected to continue the SPT call sequence in progress.
>
>Call SQLCANCEL( ) to cancel the SPT sequence or make valid SPT calls to finish the call sequence.