Rel 3 3 bug 10582

on add or update standard template.

http://bugs.otrs.org/show_bug.cgi?id=10582
I'd prefer to store this information in $Errors{NameExists} = 1. No need to put it in %GetParam, which is usually only for parameters that the user sent. You can then access the errors hash in _Edit() to decide on the block to use.