How To Fix CNV_10020776 - &1 &2: component is defined at &3 which is outside the field (length &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 776

• Message text: &1 &2: component is defined at &3 which is outside the field (length &4)

What causes this issue?

According to the evaluation rule, the component is located at . The
field has a length of . So, the component is defined (partly) outside
the field.

System Response

Evaluation is not possible.

How to fix this error?

Correct the rule definition or assign a different rule.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10020776 - &1 &2: component is defined at &3 which is outside the field (length &4) ?

  The SAP error message CNV_10020776 typically indicates an issue related to data conversion or migration, particularly when the length of a field in the source data exceeds the defined length in the target structure. This error is often encountered during data migration processes, such as when using the SAP S/4HANA Migration Cockpit or other data transfer tools.
  Cause:
  The error message CNV_10020776 occurs when:
  
  A component (field) in the data being processed has a defined length that is greater than what is allowed in the target structure.
  The source data contains values that exceed the maximum length specified for the corresponding field in the target system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Fields: Review the error message details to identify the specific fields causing the issue. The placeholders (&1, &2, &3, &4) will provide information about the field name, the value being processed, the target structure, and the maximum allowed length.
  
  
  Check Data Length: Examine the source data to determine the length of the values being migrated. Ensure that they do not exceed the defined length in the target structure.
  
  
  Adjust Target Structure: If possible, consider adjusting the target structure to accommodate the longer values. This may involve modifying the data model or extending the field length in the target system.
  
  
  Data Truncation: If adjusting the target structure is not feasible, you may need to truncate the data in the source system to fit within the allowed length. Ensure that this does not lead to data loss or integrity issues.
  
  
  Data Mapping: Review the data mapping configuration to ensure that the source fields are correctly mapped to the target fields, and that any necessary transformations are applied.
  
  
  Testing: After making the necessary adjustments, perform a test migration to verify that the error has been resolved and that the data is being transferred correctly.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional guidance on this error message or related data migration issues.
  Data Migration Tools: Familiarize yourself with the tools being used for data migration (e.g., SAP S/4HANA Migration Cockpit, LSMW, etc.) and their specific requirements regarding field lengths and data types.
  Consult SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP Support for help with the specific error message and your migration scenario.
  
  By following these steps, you should be able to address the CNV_10020776 error and successfully complete your data migration process.