Runtime Errors: RAISE_EXCEPTION when change data in PTMW

Dear experts!

Now, I'm getting some Issue when I use transaction code: PTMW.

- The first, When I use Transaction code PTMW and change ID time for Employee, after that I save data that were changed.

then the System display Runtime Errors: RAISE_EXCEPTION.

- Second, Error analysis told that: "Message not found"

Really, I don't know how to process the error.

Help me, Please!

Oh, If you can, you will said me to know what message classes are used for t.code PTMW.

Best regards, Huy!