How To Fix CNV20201117 - &: no master table; only internal number ranges

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 117

• Message text: &: no master table; only internal number ranges

What causes this issue?

For this number range object, no master table was specified.
There are only internal number ranges for the object.

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

System Response

The number level from NRIV is used.
Because of the missing master table, the number range conversion will
not be simulated for this object.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201117 - &: no master table; only internal number ranges ?

  The SAP error message CNV20201117 &: no master table; only internal number ranges typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the system is unable to find a master table for the specified object, which means that it cannot determine the external number ranges for the data being processed.
  Causes:
  
  Missing Master Data Table: The master data table that should hold the external number ranges is either missing or not properly defined in the system.
  Configuration Issues: There may be configuration issues in the number range settings for the specific object you are trying to migrate or convert.
  Data Migration Settings: The settings in the migration cockpit or the data migration tool may not be correctly configured to recognize the master table.
  Custom Development: If there are custom developments or modifications in the system, they might interfere with the standard number range processing.
  
  Solutions:
  
  Check Master Data Tables: Verify that the master data tables for the object you are working with exist and are correctly defined in the system.
  Review Number Range Configuration: Go to the number range configuration for the relevant object and ensure that the external number ranges are set up correctly. You can do this in transaction code SNRO (Number Range Objects).
  Adjust Migration Settings: If you are using the Migration Cockpit, review the settings and mappings to ensure that they are correctly pointing to the master data tables.
  Consult Documentation: Refer to the SAP documentation for the specific migration or conversion process you are using to ensure that all prerequisites are met.
  Check for Custom Code: If there are any custom developments, review them to ensure they are not causing conflicts with the standard processes.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SNRO (for number range objects) and SE11 (for data dictionary) to investigate the master tables.
  SAP Notes: Search for SAP Notes related to the error message or the specific migration process you are using, as they may provide additional insights or patches.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the correct steps as outlined in the official SAP documentation.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.