How To Fix CNV20201127 - &1,Subobj=&2: Problems may occur during number level calculation!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 127

• Message text: &1,Subobj=&2: Problems may occur during number level calculation!

What causes this issue?

Problems may occur during calculation of the number level after the
conversion.
The reason for this is that:
No information regarding a value table has been provided for the number
range object in CNV_20201_NR_OBJ (that is, TABNAME, FD_SUBOBJ,
FD_OBJECT and (if applicable) FD_YEAR are empty);
At least one internally numbered number range interval with a number
level higher than zero exists for a merge;
For this merge at least one conversion rule has been defined in CNVRNMB
in which FROMNUMBER, TONUMBER and NBELNR are exclusively numerical; or
alternatively: CNV_20201_NRIV_A-NRIV_ACTIVE for the number range object
are initial, that is, no shifting takes place for this object;

System Response

Error message (serious warning)

How to fix this error?

Find out if problems with the number range calculation will occur after
the conversion or not. If no problems are to be expected, set the
status of the message from 'Error' to 'Warning'. Otherwise, change the
conversion rule as required and execute this activity once again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201127 - &1,Subobj=&2: Problems may occur during number level calculation! ?

  The SAP error message CNV20201127 typically relates to issues encountered during the conversion or migration of data, particularly in the context of number level calculations. This error can arise in various scenarios, such as during data migration projects, especially when using SAP's data migration tools or during system upgrades.
  Cause:
  
  Data Inconsistencies: The error may be caused by inconsistencies in the data being migrated, such as incorrect or unexpected values in the source data.
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the data being processed.
  Number Range Issues: Problems with number ranges, such as gaps or overlaps, can lead to issues during calculations.
  Custom Code: If there are custom developments or enhancements in the system, they may not handle the data correctly, leading to this error.
  Data Type Mismatches: If the data types in the source and target systems do not match, it can lead to calculation problems.
  
  Solution:
  
  Data Validation: Check the source data for inconsistencies or invalid values. Ensure that all data adheres to the expected formats and ranges.
  Configuration Review: Review the configuration settings in the SAP system to ensure they are set up correctly for the data being processed.
  Number Range Maintenance: Verify the number ranges in the system to ensure there are no gaps or overlaps that could cause issues during calculations.
  Custom Code Review: If there are custom developments, review the code to ensure it handles the data correctly and does not introduce errors during calculations.
  Testing: Conduct thorough testing in a development or quality assurance environment to replicate the issue and validate the solution before applying changes in the production environment.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide guidance on resolving it.
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for data migration and conversion processes, which may provide additional insights into handling this error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the CNV20201127 error and implement a suitable solution.