in reply to Re: DB2 error: "Can't bind unknown parameter marker ':p4'"in thread DB2 error: "Can't bind unknown parameter marker ':p4'"
Incrase DBI->trace level (3) and see what you get, compare that to "data studio tool" for similar
I guess the :p4 refers to $sth->bind_param_inout(4,\$returnValue,20); , that is the 4th bind_param, but you only have three placeholders (?,?,?)
So unless mySchema.myStoredProcedure somehow has a placeholder (i've never used one), there is your problem
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