CONFIRM

Always end CONFIRM with a question mark. Bad code

ChangeAllOpenedEntriesQst@1000 : TextConst 'ENU=Do you want to change all open entries for every customer and vendor that are not blocked';
...
IF CONFIRM(ChangeAllOpenedEntriesQst,TRUE) THEN

Good code

ChangeAllOpenedEntriesQst@1000 : TextConst 'ENU=Do you want to change all open entries for every customer and vendor that are not blocked?';
...
IF CONFIRM(ChangeAllOpenedEntriesQst,TRUE) THEN