How To Fix GI171 - Period not defined (Ld &, CoID &, FY var. &)

SAP Error Message - Details

• Message type: E = Error

• Message class: GI - FI-SL update

• Message number: 171

• Message text: Period not defined (Ld &, CoID &, FY var. &)

What causes this issue?

The system could not determine a posting period with this posting date.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the posting period definition (T009A/T009B).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GI171 - Period not defined (Ld &, CoID &, FY var. &) ?

  The SAP error message GI171 "Period not defined (Ld &, CoID &, FY var. &)" typically occurs in the context of financial reporting or when trying to post transactions in a specific period that has not been defined in the system. This error can arise in various modules, including Financial Accounting (FI) and Controlling (CO).
  Cause:
  
  Period Not Open: The fiscal period you are trying to access is not open for posting. This can happen if the period is closed in the configuration settings.
  Incorrect Fiscal Year Variant: The fiscal year variant assigned to the company code may not have the specified period defined.
  Missing Configuration: The period may not be defined in the controlling area or the fiscal year variant settings.
  Posting Date Issues: The posting date of the transaction may fall outside the defined periods.
  
  Solution:
  
  
  Check Period Status:
  
  Go to the transaction code OB52 (Change Posting Periods) to check if the period is open for the relevant company code and fiscal year variant.
  Ensure that the period you are trying to post to is open.
  
  
  
  Verify Fiscal Year Variant:
  
  Check the fiscal year variant assigned to your company code using transaction code OB37.
  Ensure that the fiscal year variant has the correct periods defined.
  
  
  
  Adjust Posting Date:
  
  If the posting date is incorrect, adjust it to fall within an open period.
  
  
  
  Configuration Review:
  
  If you have access, review the configuration settings for the controlling area and fiscal year variant to ensure that all necessary periods are defined.
  
  
  
  Consult with SAP Basis or Configuration Team:
  
  If you are unable to resolve the issue, consult with your SAP Basis or configuration team to ensure that the settings are correct and that there are no underlying issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  OB52: Change Posting Periods
  OB37: Maintain Fiscal Year Variants
  KAH1: Create Cost Center
  KAH2: Change Cost Center
  
  
  Documentation: Refer to SAP Help documentation for detailed information on fiscal year variants and posting periods.
  User Roles: Ensure that you have the necessary authorizations to change posting periods or fiscal year variants.
  
  By following these steps, you should be able to identify the cause of the GI171 error and implement the appropriate solution.