How To Fix /BA1/AL_C0_DEEP_MVC004 - Error during mapping of source category '&1' in target category '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /BA1/AL_C0_DEEP_MVC -

• Message number: 004

• Message text: Error during mapping of source category '&1' in target category '&2'

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /BA1/AL_C0_DEEP_MVC004 - Error during mapping of source category '&1' in target category '&2' ?

  The SAP error message /BA1/AL_C0_DEEP_MVC004 typically indicates an issue during the mapping process between source and target categories in the context of SAP's Advanced Business Application Programming (ABAP) or related data processing tasks. This error can occur in various scenarios, such as data migration, data transformation, or when working with specific SAP modules.
  Cause:
  The error message suggests that there is a problem with the mapping of a source category to a target category. Common causes for this error include:
  
  
  Incorrect Mapping Configuration: The mapping between the source and target categories may not be correctly defined, leading to a failure during the mapping process.
  
  
  Data Inconsistencies: The data in the source category may not conform to the expected format or structure required by the target category.
  
  
  Missing Data: Required fields in the source category may be missing or null, which can cause the mapping to fail.
  
  
  Incompatible Data Types: The data types of the fields in the source and target categories may not be compatible, leading to conversion errors.
  
  
  Authorization Issues: The user executing the mapping may not have the necessary authorizations to access the source or target categories.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Mapping Configuration: Review the mapping configuration to ensure that it is correctly set up. Verify that all source categories are properly mapped to their corresponding target categories.
  
  
  Validate Data: Inspect the data in the source category for any inconsistencies or missing values. Ensure that all required fields are populated and that the data adheres to the expected format.
  
  
  Data Type Compatibility: Ensure that the data types of the fields in the source and target categories are compatible. If necessary, perform data type conversions before mapping.
  
  
  Review Authorization: Check the user authorizations to ensure that the user has the necessary permissions to access both the source and target categories.
  
  
  Debugging: If the issue persists, consider enabling debugging to trace the execution flow and identify the exact point of failure. This can provide more insight into the underlying cause of the error.
  
  
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the error message and the context in which it occurs.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue cannot be resolved through the above steps, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurred and any relevant logs.
  
  By following these steps, you should be able to identify and resolve the cause of the /BA1/AL_C0_DEEP_MVC004 error message in SAP.