Error Message

Andrea · Jul 23, 2004

When I run my report, I get "Invalid use of Null" however
it should state, "Selected customers doesnot have an
email address"

Allen Browne · Jul 23, 2004

*What* gives you an invalid use of Null?

Six of the most common mistakes are listed in:
Common errors with Null
at:
http://members.iinet.net.au/~allenbrowne/casu-12.html