All aspects of this post are part of the Common VBA Error Handler Err.Number The Number property of the Err object may indicate a VB Runtime, a Database, or an Application error. The latter is one explicitly raised by Err Raise. Microsoft documentation says, the error number raised by means of Err.Raise should be the sum of the application error n + vbObjectError in order to avoid conflicts with is a VB Runtime Error. I call such an error an Application Error of which the number is set by: Pub...