How To Fix EA691 - Basic type & could not be converted

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 691

• Message text: Basic type & could not be converted

What causes this issue?

Conversion entry between long and short names is missing.

System Response

IDoc cannot be processed without this entry.

How to fix this error?

Create an appropriate entry for basic type &v1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA691 - Basic type & could not be converted ?

  The SAP error message EA691, which states "Basic type & could not be converted," typically occurs during the process of data conversion or mapping in IDoc processing or when working with EDI (Electronic Data Interchange) in SAP. This error indicates that there is an issue with the basic type of the IDoc or the data being processed, which cannot be converted to the expected format.
  Causes:
  
  Incorrect Mapping: The basic type defined in the IDoc does not match the data structure or format expected by the receiving system.
  Data Type Mismatch: The data being sent does not conform to the expected data type (e.g., sending a string where a numeric value is expected).
  Missing or Incorrect Segments: Required segments in the IDoc may be missing or incorrectly populated.
  Version Mismatch: The version of the IDoc or EDI standard being used may not be compatible with the receiving system.
  Configuration Issues: Incorrect configuration in the partner profiles or message types can lead to conversion errors.
  
  Solutions:
  
  Check IDoc Structure: Verify the structure of the IDoc and ensure that all segments and fields are correctly defined and populated.
  Review Mapping: Ensure that the mapping between the source and target systems is correctly set up. Check for any discrepancies in data types.
  Validate Data: Before sending the IDoc, validate the data to ensure it meets the expected formats and types.
  Update Configuration: Review and update the partner profiles and message types in the SAP system to ensure they are correctly configured.
  Use Transaction WE19: You can use transaction WE19 (Test tool for IDocs) to simulate the IDoc processing and identify where the conversion is failing.
  Check for Notes and Patches: Look for any SAP Notes or patches that may address known issues related to the basic type or IDoc processing.
  
  Related Information:
  
  Transaction Codes: 
  
  WE02: Display IDocs
  WE19: Test IDoc
  WE20: Partner Profiles
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or fixes related to this error.
  Documentation: Review the SAP documentation for IDoc processing and EDI to understand the expected formats and configurations.
  
  By following these steps, you should be able to identify the root cause of the EA691 error and implement the necessary solutions to resolve it.