>>That is usually happened to me when I copy the query from SSMS (MS SQL Server) and pasted it in VFP. Then all Unicode chars than is not English ones become question marks :-)
>
>I use the ?pcParameter for the parameters, and checked all just in case, so they are all correct.

Checked all parameters or all question marks? A question mark in the comments was the cause when it happened to me. Parser doesn't disregard the SQL comments, it just parses the whole command.