How To Fix CM_SUB_BAPI004 - In target mode material numbers are converted to long fields

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SUB_BAPI - BAPI Substance

• Message number: 004

• Message text: In target mode material numbers are converted to long fields

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_BAPI004 - In target mode material numbers are converted to long fields ?

  The SAP error message CM_SUB_BAPI004 typically occurs when there is an issue with the handling of material numbers in a BAPI (Business Application Programming Interface) call, particularly in the context of target mode where material numbers are expected to be in a specific format.
  Cause:
  The error message indicates that the material numbers being processed are being converted to long fields, which may not be compatible with the expected format in the target system. This can happen due to several reasons:
  
  Data Type Mismatch: The material number field in the source system may be defined differently than in the target system, leading to conversion issues.
  Length of Material Number: If the material number exceeds the maximum length allowed in the target system, it may trigger this error.
  Configuration Issues: There may be configuration settings in the BAPI or the data transfer process that are not aligned with the expected formats.
  
  Solution:
  To resolve the CM_SUB_BAPI004 error, consider the following steps:
  
  
  Check Material Number Length: Ensure that the material numbers being passed to the BAPI do not exceed the maximum length defined in the target system. The standard length for material numbers in SAP is usually 18 characters.
  
  
  Data Type Alignment: Verify that the data types for material numbers in both the source and target systems are compatible. If necessary, adjust the data types in the source system to match those in the target system.
  
  
  BAPI Configuration: Review the configuration of the BAPI being used. Ensure that the parameters for material numbers are correctly defined and that any necessary mappings are in place.
  
  
  Debugging: If you have access to the SAP system, you can use transaction codes like SE37 (Function Module) or SE80 (Object Navigator) to debug the BAPI call and see where the conversion is failing.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific BAPI you are using to understand its requirements and constraints regarding material number formats.
  
  
  Testing: After making adjustments, perform tests with a small set of data to ensure that the changes resolve the issue without introducing new errors.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the BAPI you are using. SAP frequently updates its knowledge base with solutions to common problems.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  BAPI Documentation: Review the official SAP documentation for the specific BAPI to understand its parameters and expected input formats.
  
  By following these steps, you should be able to identify the root cause of the CM_SUB_BAPI004 error and implement a suitable solution.