How To Fix CNV20201055 - Mapping table was maintained incorrectly for: &1, &2, &3, &4

CNV20201055 - Overview

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 055

• Message text: Mapping table was maintained incorrectly for: &1, &2, &3, &4

What causes this issue?

The maintenance table CNVRNMB is maintained incorrectly for the
following:
&V1&,
&V2&,
&V3&,
&V4&
For FIAA-BELNR, CNVRNMB-NRRANGENR must contain the value 01 or 02.
For all other number range objects, CNVRNMB-NRRANGENR must be empty.

System Response

Error

How to fix this error?

Correct the mapping table CNVRNMB accordingly.

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.

CNV20201055 - Details

• The SAP error message CNV20201055 indicates that there is an issue with the mapping table used in a data migration or conversion process. This error typically arises during the execution of a data migration project, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  The error message CNV20201055 suggests that the mapping table has been maintained incorrectly for the specified fields (represented by &1, &2, &3, &4). This could be due to several reasons:
  
  Incorrect Mapping Entries: The entries in the mapping table may not correspond correctly to the source and target fields.
  Missing Entries: Required entries in the mapping table may be missing, leading to incomplete or incorrect data mapping.
  Data Type Mismatch: The data types of the source and target fields may not match, causing issues during the mapping process.
  Configuration Errors: There may be configuration errors in the migration settings or parameters that affect how the mapping is processed.
  
  
  Solution:
  To resolve