Message type: E = Error
Message class:  CNV_20200_CHECK - Messages for check functions (company code merge) 
Message number: 109
Message text: Document splitting within new G/L is active on client level
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 CNV_20200_CHECK109 indicates that document splitting within the new General Ledger (G/L) is active at the client level. This error typically arises during data migration or conversion processes, particularly when using SAP's Migration Cockpit or other tools for data transfer.
Cause: The error occurs because the system is configured to use document splitting, which is a feature that allows for the automatic splitting of accounting documents into multiple line items based on certain criteria (like profit centers, segments, etc.). If your migration or conversion process does not account for this feature, it can lead to inconsistencies or errors in the data being processed.
Solution: To resolve this error, you can consider the following steps: Check Document Splitting Configuration: Verify the document splitting settings in your SAP system. You can do this by navigating to the configuration settings for the new G/L. Ensure that the document splitting is correctly configured according to your business requirements. Adjust
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_20200_CHECK108 Document splitting within new G/L is not active on client level
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20200_CHECK107 New General Ledger Accounting (new G/L) is active
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20200_CHECK110 Document splitting within new G/L active for all particip. company codes
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20200_CHECK111 Document splitting within new G/L inactive for all participating CoCodes
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.