What is the material number confirmation information that M7119-CMC is reporting as incorrect? 

What is the machine code (KM-ASSYM1-05) that M7119-CMC is using?

What is the error id (120
The solution for M7119-CMC responding with incorrect material number confirmation information is to review and double-check the material number being entered, ensure it follows the correct format, and try resetting the device or running material verification checks.