How To Fix M3620 - Program terminated when material created (mat. no. already exists)

M3620 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 620

• Message text: Program terminated when material created (mat. no. already exists)

What causes this issue?

The program terminated when you created the material master record
becuase the upper limit of the internal number assignment range was
exceeded.

How to fix this error?

INCLUDE NA_SYSTVERW

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

M3620 - Details

• The SAP error message M3620 indicates that a program has terminated because an attempt was made to create a material that already exists in the system. This error typically occurs during the material master creation process when the system detects that the material number you are trying to create is already in use.
  
  Cause:
  
  Duplicate Material Number: The most common cause is that the material number you are trying to create already exists in the database.
  Incorrect Input: There may be a typographical error in the material number you are entering.
  Data Migration Issues: If data was migrated from another system, there may be conflicts with existing material numbers.
  Custom Code or Enhancements: If there are custom programs or enhancements in your SAP environment, they may be causing the error.
  
  
  Solution:
  
  
  Check Existing Material: 
  
  Use transaction code MM03 to check if the material number already exists. If it does, you may need to use that existing material