Message type: E = Error
Message class:  MDG_BS_MAT_PDF - Messages PDF Printing Class 
Message number: 002
Message text: Material &1 already exists
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The SAP error message MDG_BS_MAT_PDF002 indicates that a material with the specified identifier (represented by &1) already exists in the system. This error typically occurs in the context of Material Master Data Governance (MDG) when trying to create or replicate a material that is already present in the database.
Cause: Duplicate Entry: The most common cause is that the material number you are trying to create already exists in the system. Incorrect Data Entry: There may be a mistake in the data entry process, such as using the wrong material number or not checking for existing materials. Replication Issues: If you are replicating data from another system (like an ERP system), the material might already exist in the target system.
Solution: Check Existing Materials: Before creating a new material, check the existing materials in the system to confirm whether the material number is already in use. You can do this by using transaction codes like MM03
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