How To Fix M8191 - Period adapted to posting date

M8191 - Overview

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 191

• Message text: Period adapted to posting date

What causes this issue?

You changed an entry in the field <LS>Posting date</> or the field
<LS>Period</> so that the posting date is no longer in the period. This
is only permitted if the posting date is in the last period of the
fiscal year and the period specified is a special period.

System Response

The system entered in the field <LS>Period</> the period in which the
posting date falls.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8191 - Period adapted to posting date ?

  The SAP error message M8191 "Period adapted to posting date" typically occurs in the context of inventory management or material document postings. This error indicates that the system is trying to post a transaction in a period that is not open for posting based on the posting date provided.
  
  Cause:
  
  Closed Posting Period: The most common cause is that the posting period for the specified date is closed. In SAP, each fiscal year is divided into posting periods, and if a period is closed, no transactions can be posted to it.
  Incorrect Posting Date: The posting date may be set incorrectly, leading to an attempt to post in a closed period.
  
  Configuration Issues: There may be configuration settings in the financial or controlling modules that restrict posting to certain periods.
  
  
  Solution:
  
  
  Check Posting Periods:
  
  Go to the transaction code OB52 (or use the menu path: Financial Accounting > Periodic Processing > Closing > Open and Close Posting