Customizer Import Refuses .M4X file from the same version (both are Sage 100 2022 7.10.2.0 32 & PR 2.23.0.0 32-Bit)?

Why would a Sage 100 2022 Customizer Utility import fail if it is used to copy from a ".M4X" file a P/R UDT, VI jobs, and event script to the same level (Both are Sage 100 Standard 7.10.2.0 and P/R 2.23.0.0) from which it was created?