How To Fix CNV10310462 - Error! Field overflow! (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV10310 - Message class for development class CNV_10310

• Message number: 462

• Message text: Error! Field overflow! (&1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV10310462 - Error! Field overflow! (&1) ?

  The SAP error message CNV10310462, which indicates "Error! Field overflow! (&1)", typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during the execution of certain programs that handle large datasets. This error suggests that a value being processed exceeds the defined length of a field in the database or data structure.
  Cause:
  
  Field Length Exceeded: The most common cause of this error is that the data being imported or processed exceeds the maximum length defined for a specific field in the database. For example, if a field is defined to hold a maximum of 10 characters and the data being processed is 15 characters long, this error will occur.
  Data Type Mismatch: Sometimes, the data type of the incoming data does not match the expected data type in the target field, leading to overflow issues.
  Incorrect Mapping: During data migration, if the mapping of source fields to target fields is incorrect, it can lead to overflow errors.
  
  Solution:
  
  Check Field Lengths: Review the field definitions in the target database or structure to ensure that they can accommodate the incoming data. If necessary, increase the field length in the target structure.
  Data Validation: Before migration, validate the data to ensure that it conforms to the expected formats and lengths. This can involve trimming excess characters or splitting data into multiple fields if necessary.
  Adjust Mapping: Ensure that the mapping of source fields to target fields is correct. If a source field is too long for the target field, consider adjusting the mapping or transforming the data appropriately.
  Error Logging: Check the logs for more detailed information about which specific field is causing the overflow. This can help in pinpointing the exact issue.
  Testing: Conduct thorough testing with a subset of data to identify potential overflow issues before performing a full migration.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its knowledge base with solutions for common issues.
  Data Migration Tools: Familiarize yourself with the tools being used for data migration (e.g., SAP S/4HANA Migration Cockpit, LSMW) and their specific requirements regarding field lengths and data types.
  Documentation: Review the documentation for the specific migration or conversion process you are using, as it may provide insights into field requirements and limitations.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.