How To Fix CNV20200289 - Table field &1 has field length &2! Only 3, 5 and 6 are considered

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 289

• Message text: Table field &1 has field length &2! Only 3, 5 and 6 are considered

What causes this issue?

The table field &V1& has the field length &V2&.
The analysis can be done only for field lengths 3, 5, and 6.

System Response

Warning message.
Table &V3& is not analyzed for duplicate unique secondary indexes.

How to fix this error?

Find out if the unique secondary index for table &V3& might be affected
by the conversion.
Find out if table &V3& should be analyzed with regard to this issue and
if an extension of the analysis is required.

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 CNV20200289 - Table field &1 has field length &2! Only 3, 5 and 6 are considered ?

  The SAP error message CNV20200289 indicates that there is an issue with the field length of a specific table field during a data migration or conversion process. This error typically arises when the field length of a certain field does not meet the expected values defined by the system, which in this case are 3, 5, or 6 characters.
  Cause:
  The error is triggered when the length of the field (denoted as &2 in the error message) does not match the acceptable lengths (3, 5, or 6) for the specific field (denoted as &1). This can happen due to:
  
  Data Format Issues: The data being migrated may have been incorrectly formatted or may contain unexpected values.
  Configuration Errors: The configuration settings in the source or target system may not align with the expected field lengths.
  Custom Development: If there are custom fields or modifications in the data model, they may not adhere to the expected lengths.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check Field Length: Verify the field length of the specified field in the source data. Ensure that it is either 3, 5, or 6 characters long.
  Data Cleansing: If the data does not meet the required lengths, you may need to cleanse or transform the data before migration. This could involve truncating, padding, or modifying the data to fit the expected lengths.
  Adjust Configuration: If the field length is defined in the configuration, ensure that it is set correctly to match the expected values.
  Review Mapping: If you are using a mapping tool or a migration tool, review the mapping rules to ensure that they are correctly defined and that they enforce the required field lengths.
  Testing: After making the necessary adjustments, perform a test migration to ensure that the error does not occur again.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this specific error message.
  Data Migration Tools: If you are using SAP's data migration tools (like SAP S/4HANA Migration Cockpit or LSMW), refer to the documentation for guidelines on handling field length issues.
  Field Definitions: Review the data dictionary (SE11) for the specific table and field to understand the expected data types and lengths.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.