Message type: E = Error
Message class:  FI - TR-FM Funds Management 
Message number: 189
Message text: Period &1 in the fiscal year &2 is closed in FM area &3
You are trying to post a payment in a period that is closed in Funds
Management.
Processing canceled.
There are two possibilities for executing the posting:
1) Open the period in question using one of the following transactions:
<DS:TRAN.FMIR>Individual maintenance</> or
<DS:TRAN.FMMI>Mass maintenance</>
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
2) If the period in question can no longer be opened, enter a postingError message extract from SAP system. Copyright SAP SE.
The SAP error message FI189 indicates that a specific period in the fiscal year is closed for a particular Funds Management (FM) area. This error typically arises when you attempt to post a transaction in a period that has already been closed, which is not allowed in the system.
Cause: Closed Period: The most common cause of this error is that the period you are trying to post to has been closed in the Funds Management area. This means that no further postings can be made for that period. Fiscal Year Settings: The fiscal year settings may have been configured to restrict postings to certain periods. Authorization Issues: Sometimes, users may not have the necessary authorizations to post in certain periods, leading to confusion about whether the period is actually closed.
Solution: Check Period Status: Verify the status of the period in the Funds Management area. You can do this by navigating to the relevant configuration
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