Message type: E = Error
Message class:  CNV_2010C - Message class for CoA on Cloud 
Message number: 143
Message text: In X4, mapping only allowed for YCOA or YGR1.
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_2010C143 typically occurs during the migration process when using the SAP S/4HANA Conversion or Migration tools. This specific error indicates that the mapping of certain fields is only allowed for specific types of accounts, namely YCOA (Yearly Chart of Accounts) or YGR1 (Yearly Group Chart of Accounts).
Cause: The error arises when the system encounters an attempt to map accounts that do not conform to the expected types (YCOA or YGR1). This can happen due to: Incorrect Account Type: The account being mapped is not of the type that is allowed for the operation you are trying to perform.
Configuration Issues: There may be issues in the configuration of the chart of accounts or the mapping settings in the migration tool. Data Migration Issues: The data being migrated may not be structured correctly, leading to the system rejecting the mapping.
Solution: To resolve this error, you can take the following steps: Check Account Types:
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_2010C142 Mapping can not be created for this chart of account. contact CA-DT-CNV
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_2010C141 Mapping table update failed.Please raise an incident under CA-DT-CNV-S4C.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_2010C144 This &1 a 1S4HC OR X4 system .
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20110001 For chart of accounts &1, no company code was indicated.
What causes this issue?  In the mapping maintenance view, you specified a chart of accounts which you want to convert.System Response  However you did...
Click on this link to search all SAP messages.