How To Fix J2435 - Start class conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: J2 - Message Class for Development Class JBT

• Message number: 435

• Message text: Start class conversion

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message J2435 - Start class conversion ?

  The SAP error message J2435, which states "Start class conversion," typically occurs when there is an issue with data type conversion in ABAP programs. This error can arise in various scenarios, such as when trying to convert data from one type to another without the necessary conversion logic or when the data being processed does not match the expected format.
  Causes:
  
  Data Type Mismatch: The most common cause is a mismatch between the expected data type and the actual data type being processed. For example, trying to assign a string to a numeric field without proper conversion.
  Invalid Data: The data being processed may contain invalid characters or formats that cannot be converted to the target data type.
  Custom Code Issues: If there are custom ABAP programs or enhancements, they may not handle data conversions properly.
  Database Field Types: Sometimes, the issue can arise from differences in database field types and the corresponding ABAP data types.
  
  Solutions:
  
  Check Data Types: Review the data types of the variables involved in the conversion. Ensure that they are compatible and that you are using the correct conversion functions (e.g., CONCATENATE, CONVERT, etc.).
  Use Conversion Functions: Utilize appropriate ABAP conversion functions to handle the conversion explicitly. For example, use CONVERT TO for numeric conversions or CAST for type casting.
  Data Validation: Implement data validation checks before performing conversions to ensure that the data is in the expected format.
  Debugging: Use the ABAP debugger to step through the code and identify the exact point where the error occurs. This can help pinpoint the problematic data or conversion logic.
  Review Custom Code: If the error is occurring in custom code, review the logic for any potential issues with data handling and conversion.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for details on data types and conversion functions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the J2435 error and implement a suitable solution.