How To Fix MG031 - Int. error: initial data creation w/o int. no. assgt but matl no. missing

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 031

• Message text: Int. error: initial data creation w/o int. no. assgt but matl no. missing

What causes this issue?

This program error should not occur.

System Response

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

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MG031 - Int. error: initial data creation w/o int. no. assgt but matl no. missing ?

  The SAP error message MG031 indicates that there is an issue with the initial data creation for a material in the system. Specifically, it suggests that the system is trying to create initial data without an internal number assignment, but the material number is missing. This typically occurs during the creation of material master records or when trying to perform certain transactions related to materials.
  Cause:
  
  Missing Material Number: The most common cause of this error is that the material number is not provided or is not being generated correctly during the creation process.
  Incorrect Configuration: The configuration settings for material number assignment may not be set up correctly in the system.
  Transaction Type: The transaction being executed may not be compatible with the current settings for material creation.
  Authorization Issues: There may be authorization issues preventing the system from accessing the necessary data to create the material.
  
  Solution:
  
  
  Check Material Number Assignment:
  
  Ensure that the material number is either provided or that the system is configured to generate it automatically. You can check this in the material master settings.
  Go to SPRO ? Logistics - General ? Material Master ? Basic Settings ? Material Number Assignment and verify the settings.
  
  
  
  Review Transaction Settings:
  
  Make sure that the transaction you are using to create the material is appropriate for the type of material you are trying to create.
  If you are using a custom transaction, ensure that it is correctly configured to handle material creation.
  
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to create materials. This can be checked in the user roles and profiles.
  
  
  
  Use Correct Transaction Codes:
  
  Ensure you are using the correct transaction codes for creating materials (e.g., MM01 for creating a material master).
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the failure occurs. This may require assistance from a technical consultant.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific guidance or patches that may be applicable.
  
  
  
  Related Information:
  
  Transaction Codes: MM01 (Create Material), MM02 (Change Material), MM03 (Display Material).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Material Master Data: Understanding the structure and requirements for material master data in SAP can help in troubleshooting.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.