http://dcx.sap.com/index.html#sqla170/en/html/81587f616ce210148f6896f5f23b9148.html
Please, check the documentation of SQL Anywhere 17 (link above). In particular:
"The message tab has been removed". This is still present in version 16.
So what you are observing is expected. You can open the history tab to see what executed.