/BA1/AL_C0_DEEP_MVC006 - Source field &1 (cat.:&2) is incompatible with target field &3 (cat:&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: /BA1/AL_C0_DEEP_MVC -

• Message number: 006

• Message text: Source field &1 (cat.:&2) is incompatible with target field &3 (cat:&4)

Self-Explanatory Message

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AnswerBot

• What is the cause and solution for SAP error message /BA1/AL_C0_DEEP_MVC006 - Source field &1 (cat.:&2) is incompatible with target field &3 (cat:&4) ?

  The SAP error message /BA1/AL_C0_DEEP_MVC006 indicates a data type incompatibility between source and target fields during a data transfer or mapping process. This typically occurs in scenarios involving data transformation, such as in SAP BW (Business Warehouse) or SAP HANA, where data is being moved from one structure to another.
  Cause:
  The error message is triggered when:
  
  The source field (&1) and target field (&3) have incompatible data types or structures.
  The categories of the fields (&2 for source and &4 for target) do not match, which could involve differences in data types (e.g., character vs. numeric), lengths, or other attributes.
  There may be a mismatch in the expected data format, such as trying to map a date field to a string field without proper conversion.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Field Definitions: Review the definitions of both the source and target fields. Ensure that their data types and lengths are compatible. You can do this in the Data Dictionary (SE11) or the relevant data model.
  
  
  Data Mapping: If the fields are inherently incompatible, consider implementing a transformation or mapping logic that converts the source field to a compatible format before it is assigned to the target field. This may involve:
  
  Using conversion functions (e.g., TO_CHAR, TO_DATE, etc.) to change data types.
  Adjusting the length of the fields if necessary.
  
  
  
  Update Data Model: If the incompatibility is due to a design issue, you may need to update the data model to ensure that the fields are aligned correctly. This could involve changing the data type of one of the fields or creating a new field that can accommodate the data.
  
  
  Check for Null Values: Sometimes, null values or unexpected data can cause issues. Ensure that the source data does not contain any unexpected nulls or formats that could lead to incompatibility.
  
  
  Testing: After making changes, test the data transfer or mapping process again to ensure that the error is resolved.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or RSA1 (Data Warehousing Workbench) to investigate the data structures involved.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on data modeling and transformation processes for best practices and guidelines.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.