Issues:MatchUp Object
Large KeyFile Size effect on Memory resources
By default, MatchUp object allocates a large SetUserInfo, the unique identifier attached to built match key - 1024 bytes. See MatchUp Object Best Practices for override instructions.
Fuzzy: Legacy Matchcodes
Legacy Matchcodes, imported from previous versions, allowed a Fuzzy: Near setting of '0'. This is incompatible with the current version and can cause an error. Using the interface to edit the matchcode by changing the Distance to 1 will resolve the problem