How To Fix CNV_00001302 - &4: value of &1 changed from '&2' to '&3'.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 302

• Message text: &4: value of &1 changed from '&2' to '&3'.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_00001302 - &4: value of &1 changed from '&2' to '&3'. ?

  The SAP error message CNV_00001302 typically relates to data conversion issues during a migration or data transfer process. This message indicates that a value for a specific field has changed during the conversion process, which can lead to inconsistencies or errors in the data being processed.
  Cause:
  The error message CNV_00001302 occurs when:
  
  A value in a specific field (denoted by &1) has been altered from its original value (&2) to a new value (&3) during the data conversion process.
  This can happen due to various reasons, such as:
  
  Data type mismatches (e.g., converting a string to a number).
  Rounding issues or truncation of decimal values.
  Changes in the underlying data model or business logic that affect how data is interpreted or transformed.
  Incorrect mapping or transformation rules defined in the conversion program.
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Conversion Rules: Check the mapping and transformation rules defined for the data conversion process. Ensure that they are correctly set up to handle the data types and values being processed.
  
  
  Analyze the Data: Look at the specific records that are causing the error. Identify the original value (&2) and the new value (&3) to understand why the change is occurring. This may involve checking the source data and the target structure.
  
  
  Adjust Data Types: If the issue is related to data type mismatches, consider adjusting the data types in the target structure or modifying the source data to ensure compatibility.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific data migration or conversion process you are using. There may be known issues or additional guidance available.
  
  
  Test in a Development Environment: If possible, replicate the issue in a development or test environment to experiment with different solutions without affecting production data.
  
  
  Seek Help from SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check transaction codes related to data migration, such as LSMW (Legacy System Migration Workbench) or other specific tools used for data conversion.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the CNV_00001302 error and implement an appropriate solution.