How To Fix R7B646 - Conversion exit ALPHA removed

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 646

• Message text: Conversion exit ALPHA removed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7B646 - Conversion exit ALPHA removed ?

  The SAP error message R7B646, which states "Conversion exit ALPHA removed," typically occurs when there is an issue with the conversion exit for a field that is expected to be in a specific format. The conversion exit ALPHA is commonly used in SAP to handle leading zeros for fields like material numbers, customer numbers, or other identifiers.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Field Format Mismatch: The data being processed does not conform to the expected format that the ALPHA conversion exit is designed to handle. For example, if a numeric field is expected to have leading zeros and the input does not provide them, this error may occur.
  Data Type Issues: The field may be defined in a way that does not allow for the conversion exit to be applied correctly.
  Custom Code or Enhancements: If there are custom programs or enhancements that manipulate the data without considering the conversion exit, it can lead to this error.
  
  Solution:
  To resolve the R7B646 error, you can take the following steps:
  
  
  Check Field Definitions: Ensure that the field definitions in the database and the program match the expected formats. If the field is supposed to have leading zeros, make sure the data being passed to it is formatted correctly.
  
  
  Use the Correct Conversion Exit: If you are manually handling the data, ensure that you are using the ALPHA conversion exit correctly. You can use the function module CONVERSION_EXIT_ALPHA_INPUT to convert input data and CONVERSION_EXIT_ALPHA_OUTPUT for output data.
  
  
  Review Custom Code: If there are any custom programs or enhancements that interact with the field, review the code to ensure that it respects the conversion exit. Make sure that any data manipulation does not strip leading zeros or alter the expected format.
  
  
  Data Validation: Implement data validation checks before processing the data to ensure that it meets the expected format.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling the ALPHA conversion exit.
  
  
  Related Information:
  
  Conversion Exits: Conversion exits in SAP are used to convert data between different formats. ALPHA is one of the most commonly used conversion exits for handling leading zeros.
  Function Modules: Familiarize yourself with the function modules related to conversion exits, such as CONVERSION_EXIT_ALPHA_INPUT and CONVERSION_EXIT_ALPHA_OUTPUT.
  SAP Documentation: Refer to the official SAP documentation for more details on conversion exits and their usage.
  
  By following these steps, you should be able to identify the root cause of the R7B646 error and implement a solution to resolve it.