Message type: E = Error
Message class:  USMDZ10 - Message Class for MDG-F BOL/genIL UI related texts 
Message number: 031
Message text: No account groups defined for chart of accounts &1.
You have selected a chart of accounts that has no account groups
assigned in Customizing.
You cannot use the selected chart of accounts, as account group is a
required attribute when creating a new account.
If you want to use the selected chart of accounts, add account groups in
Customizing activity
<DS:SIMG.SIMG_CFMENUORFBOBD4>Define Account Group</>.
Alternatively, use a different chart of accounts.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message USMDZ10031 indicates that there are no account groups defined for the specified chart of accounts in the system. This error typically arises when you are trying to create or manage master data related to accounts, and the system cannot find the necessary account group configuration.
Cause: Missing Configuration: The primary cause of this error is that the account groups for the specified chart of accounts have not been defined in the system. Incorrect Chart of Accounts: The chart of accounts being referenced may not be correctly set up or may not exist in the system. Authorization Issues: In some cases, the user may not have the necessary authorizations to view or manage account groups.
Solution: To resolve the error, you can follow these steps: Define Account Groups: Go to the SAP Easy Access screen. Navigate to SPRO (SAP Project Reference Object) > Financial Accounting (New) > General Ledger Accounting (New) > Master Data > G/L
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