Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 670
Message text: MMSTA deactivated for material &1 plant &2. MMSTA value &3
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The SAP error message "CNV_PE670 MMSTA deactivated for material &1 plant &2. MMSTA value &3" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the material status (MMSTA) for a specific material in a specific plant has been deactivated, which can prevent the material from being processed correctly.
Cause: Deactivated Material Status: The material status (MMSTA) for the specified material and plant combination is set to a value that is not allowed or is inactive. This can happen if the material is blocked for certain transactions or if it has been marked for deletion. Data Migration Issues: During data migration, if the source data contains materials with statuses that are not valid in the target system, this error can occur.
Configuration Issues: The configuration settings in the target system may not allow certain material statuses to be active or valid.
Solution: Check
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