How To Fix CNV_20600_CHECK028 - All source company codes for number assignment exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20600_CHECK - Messages for Check classes

• Message number: 028

• Message text: All source company codes for number assignment exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20600_CHECK028 - All source company codes for number assignment exist ?

  The SAP error message CNV_20600_CHECK028 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the number assignment for company codes in the source system.
  
  Cause:
  The error message CNV_20600_CHECK028 suggests that the system has detected that not all source company codes have been properly configured for number assignment. This can happen due to several reasons:
  
  Missing Configuration: Some company codes may not have been set up with the necessary number ranges for document types or other relevant entities.
  Inconsistent Data: There may be inconsistencies in the data where certain company codes are referenced but do not have corresponding number range assignments.
  Data Migration Issues: During the migration process, if the mapping of company codes is not done correctly, it can lead to this error.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Number Range Configuration:
  
  Go