Message type: E = Error
Message class:  FINS_CFIN_CO_MESSAGE - Central Finance Message Class 
Message number: 339
Message text: CO-PA line item skipped, ledger number is not '01'
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 FINS_CFIN_CO_MESSAGE339 indicates that a CO-PA (Controlling-Profitability Analysis) line item has been skipped because the ledger number is not '01'. This error typically arises during the process of data migration or during the execution of certain financial transactions where the system expects the primary ledger (usually ledger '01') to be used for CO-PA postings.
Cause: Ledger Configuration: The system is configured to only allow postings to the primary ledger (ledger '01') for CO-PA. If the transaction is trying to post to a different ledger, it will be skipped. Data Migration Issues: During data migration, if the source data contains entries for ledgers other than '01', these entries will be skipped, leading to this error. Posting Rules: The posting rules in the system may be set to restrict CO-PA postings to only the primary ledger.
Solution: Check Ledger Settings: Verify the configuration of your ledgers in the system. Ensure that the ledger you are
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FINS_CFIN_CO_MESSAGE338 Error when generating object number; Posting will stop
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FINS_CFIN_CO_MESSAGE337 Preceding document missing, reversed or CFIN_CO_ADD incomplete
What causes this issue?  Replication of the current CO document failed. It could be due to one of the following reasons: The preceding document of the...
FINS_CFIN_CO_MESSAGE340 Preceding document &1 is missing in the Central Finance system
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FINS_CFIN_CO_MESSAGE341 Cannot split managament accounting document line item
What causes this issue?  ,,The system does a conversion during the posting from source costing-based CO-PA to target account-based CO-PA or both CO-PA...
Click on this link to search all SAP messages.