Re: errmsgid keyword--unexpected results

["Simon Coulter" <shc@xxxxxxxxxxxxxxxxx>]

R
Hello Joel,

ERRMSG and ERRMSGID use PUTOVR, OVRATR, and OVRDTA under the covers.  That 
means the record format for which they are active MUST currently be on the 
display.  Check that you are not writing another record format to the display 
between writing the prompt screen, setting on the error indicator, and 
rewriting the prompt screen.  The system probably thinks the record format 
with the 'email' field is not currently active thus the ERRMSGID is ignored.

The use of PUTOVR, OVRATR, and OVRDTA is done to reduce the amount of data 
sent to the device but they have a number of side effects.  The most obvious 
is that they are ignored if the record format for which they are in effect is 
not currently on the display.  Thus you cannot turn on an ERRMSG/ERRMSGID 
indicator and expect the message to display on the first write of the format.

Regards,
Simon Coulter.

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