Message type: E = Error
Message class:  CNVA_20290_CHECK - Message class for company code merge preanalysis 
Message number: 216
Message text: Company code split found.
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.
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.
The SAP error message CNVA_20290_CHECK216 indicates that there is a company code split found during a process, typically related to the migration or conversion of data in SAP systems, particularly in the context of SAP S/4HANA migrations or similar scenarios. This error usually arises when the system detects inconsistencies or issues with the company code configuration or data that needs to be addressed before proceeding with the migration or conversion.
Cause: Company Code
Configuration Issues: The error may occur if there are inconsistencies in the company code settings, such as missing or incorrect configurations. Data Migration Issues: If the data being migrated includes references to multiple company codes that are not properly aligned or configured, this can trigger the error. Master Data Inconsistencies: Issues with master data, such as vendor or customer records that are linked to multiple company codes, can also lead to this error. Transaction Data Issues: Existing transaction data that spans multiple
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNVA_20290_CHECK215 All source company codes exist.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVA_20290_CHECK214 Some entered source company codes do not exist.
 Some of the entered source company codes do not exist. Check your mapping values and run the analysis again.Error message extract from SAP system. Co...
CNVA_20290_CHECK217 No company code split found.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVA_20290_CHECK218 Company code mapping has valid priorities.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.