How To Fix IU838 - Table & occurs in &. ICNV not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 838

• Message text: Table & occurs in &. ICNV not possible

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 IU838 - Table & occurs in &. ICNV not possible ?

  The SAP error message IU838, which states "Table & occurs in &. ICNV not possible," typically indicates an issue related to the conversion of data types or formats in the context of a specific table or field. This error often arises during data processing or when attempting to perform operations that involve data conversion.
  Cause:
  
  Data Type Mismatch: The error usually occurs when there is an attempt to convert data from one type to another (e.g., from a character string to a numeric type) and the data does not conform to the expected format.
  Invalid Data: The data in the specified table may contain invalid entries that cannot be converted to the required format.
  Configuration Issues: There may be issues with the configuration of the data types in the database or in the SAP system settings.
  Custom Code: If there are custom programs or enhancements that manipulate data, they may not handle certain data types correctly.
  
  Solution:
  
  Check Data Validity: Review the data in the specified table to ensure that all entries conform to the expected data types. Look for any invalid or unexpected values that could cause conversion issues.
  Data Type Configuration: Verify the configuration of the data types in the relevant tables and fields. Ensure that they are set up correctly according to the requirements of the application.
  Debugging: If the error occurs in a custom program, use the ABAP debugger to trace the execution and identify where the conversion is failing. Look for any assumptions made about data formats that may not hold true.
  Error Handling: Implement error handling in custom code to manage unexpected data formats gracefully, rather than allowing the program to fail.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to inspect the table structure and data types.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to data conversion and handling to better understand the expected formats and types.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or ABAP development team for further assistance.