How To Fix 1I191 - Postings before last general ledger group change (&1) not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: 1I - BCA: General Ledger Integration

• Message number: 191

• Message text: Postings before last general ledger group change (&1) not possible

Self-Explanatory Message

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• What is the cause and solution for SAP error message 1I191 - Postings before last general ledger group change (&1) not possible ?

  The SAP error message 1I191 indicates that there are postings that cannot be made because they occur before the last change to the general ledger (G/L) group. This typically happens when there have been changes to the G/L account settings or configurations, and the system is preventing postings that would violate the integrity of the financial data.
  Cause:
  
  G/L Group Change: The error occurs when there is an attempt to post a transaction to a G/L account that has been modified after the last posting date. This could be due to changes in account settings, such as account type, currency, or other configurations.
  Posting Date: The posting date of the transaction is earlier than the last change date of the G/L account group.
  Configuration Issues: There may be issues with the configuration of the G/L accounts or the posting periods.
  
  Solution:
  
  Check Posting Date: Ensure that the posting date of the transaction is after the last change date of the G/L account. If necessary, adjust the posting date to a valid date.
  Review G/L Account Changes: Investigate the changes made to the G/L account. You can do this by checking the change logs or configuration settings in the SAP system.
  Adjust G/L Account Settings: If the G/L account settings need to be modified, ensure that they are correctly configured to allow postings for the required periods.
  Consult with Finance Team: If you are unsure about the changes made to the G/L accounts, consult with your finance or accounting team to understand the implications of the changes and how to proceed.
  Use Transaction Codes: You can use transaction codes like FS00 (G/L Account Master Data) to review the account settings and OB52 (Open and Close Posting Periods) to check the posting periods.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FS00: Create/Change G/L Account
  OB52: Open/Close Posting Periods
  FBL3N: G/L Account Line Item Display
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation regarding G/L account management and posting periods for further insights.
  
  By following these steps, you should be able to resolve the error and ensure that postings are made correctly in accordance with the G/L account settings.