How To Fix DMU403 - &1 error occured during explosion

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 403

• Message text: &1 error occured during explosion

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU403 - &1 error occured during explosion ?

  The SAP error message DMU403, which states "Error occurred during explosion," typically occurs in the context of the SAP Variant Configuration (VC) or when dealing with the Product Structure in SAP. This error indicates that there was a problem during the explosion of a bill of materials (BOM) or during the configuration of a product.
  Causes:
  
  Incorrect Configuration Settings: The configuration settings for the product may not be set up correctly, leading to issues during the explosion process.
  Missing or Incomplete BOM: The BOM may be incomplete or missing components that are required for the explosion to occur successfully.
  Invalid Dependencies: There may be invalid dependencies or constraints defined in the configuration that prevent the successful explosion of the BOM.
  Data Inconsistencies: There could be inconsistencies in the master data, such as material master records or BOM records.
  Authorization Issues: The user may not have the necessary authorizations to perform the explosion.
  
  Solutions:
  
  Check Configuration Settings: Review the configuration settings for the product to ensure they are correct and complete.
  Verify BOM Completeness: Ensure that the BOM is complete and that all required components are present and correctly defined.
  Review Dependencies: Check for any dependencies or constraints that may be causing the explosion to fail. Make sure they are valid and correctly set up.
  Data Consistency Check: Perform a consistency check on the master data related to the product, including material master and BOM records.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the explosion. If not, contact your SAP security administrator to grant the required permissions.
  Debugging: If the issue persists, consider using the SAP debugger to trace the process and identify the exact point of failure.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like CS03 (Display BOM), CU50 (Configuration Profile), or CS11 (BOM Level Structure) to investigate the BOM and configuration settings.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP Variant Configuration and BOM management.