How To Fix RSDS502 - Data type &1 not allowed for BAPI source systems (only D, M, T)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 502

• Message text: Data type &1 not allowed for BAPI source systems (only D, M, T)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS502 - Data type &1 not allowed for BAPI source systems (only D, M, T) ?

  The SAP error message RSDS502 indicates that there is an issue with the data type being used in a BAPI (Business Application Programming Interface) source system. Specifically, the error states that the data type provided is not allowed, and only the data types 'D' (Date), 'M' (Time), and 'T' (Timestamp) are permitted for BAPI source systems.
  Cause:
  The error typically arises when:
  
  A data source is configured to use a BAPI, but the data type specified in the data source is not one of the allowed types (D, M, T).
  There may be a mismatch between the data types defined in the BAPI and those expected by the data source.
  The data source may be incorrectly set up or configured, leading to the use of unsupported data types.
  
  Solution:
  To resolve the RSDS502 error, you can take the following steps:
  
  
  Check Data Source Configuration:
  
  Go to the Data Source configuration in the SAP system.
  Verify the data types assigned to the fields in the Data Source. Ensure that only the allowed data types (D, M, T) are being used.
  
  
  
  Modify Data Types:
  
  If you find any fields using unsupported data types (e.g., character strings, numeric types), change them to one of the allowed types (D, M, T) as appropriate for your use case.
  
  
  
  Review BAPI Definition:
  
  Check the BAPI definition to ensure that the data types being used in the BAPI match the expected types in the Data Source.
  If necessary, consult the BAPI documentation to understand the expected input and output parameters.
  
  
  
  Test the Data Source:
  
  After making the necessary changes, test the Data Source to ensure that it can successfully retrieve data from the BAPI without triggering the error.
  
  
  
  Consult SAP Notes:
  
  If the issue persists, check for any relevant SAP Notes or documentation that may provide additional insights or updates related to this error.
  
  
  
  Related Information:
  
  BAPI: A BAPI is a standardized programming interface that allows external applications to interact with SAP systems.
  Data Types: In SAP, data types are crucial for ensuring that data is correctly interpreted and processed. The allowed data types for BAPI source systems are limited to specific types to maintain data integrity.
  SAP Documentation: Refer to the official SAP documentation for more details on BAPI usage and data source configuration.
  
  By following these steps, you should be able to resolve the RSDS502 error and ensure that your BAPI source system is configured correctly.