It turns out that the table names in mixed-case caused the problem. If the table names are changed to either uppercase or lowercase, then it works. The fix for upper and lower case names is in GTDataMakerPB-18.104.22.168.zip. Please contact CA Support to obtain this patch. You can open a case following this video. Ask support to determine if this patch is in the latest GA version of software delivered after June 13, 2017. If one could not be included, CA Support team will work with you and development to make sure this fix can be adapted to your environment and specific version if appropriate.