How To Fix GU804 - Input of period 0 (initial value) is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 804

• Message text: Input of period 0 (initial value) is not possible

What causes this issue?

Deleting the zero period is not possible for technical reasons.

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?

Choose another period or leave the period field blank.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU804 - Input of period 0 (initial value) is not possible ?

  The SAP error message GU804, which states "Input of period 0 (initial value) is not possible," typically occurs in the context of financial or controlling modules when a user attempts to enter or process data for a period that is not valid or is outside the acceptable range. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Invalid Period Input: The error usually arises when a user tries to input a period that is not defined in the system, such as period 0, which is often reserved for initial values or is not a valid posting period.
  Period Status: The period may be closed or not open for posting, which means that transactions cannot be recorded for that period.
  Configuration Issues: There may be configuration settings in the controlling or financial modules that restrict the use of certain periods.
  
  Solution:
  
  
  Check Period Status:
  
  Go to the transaction code OB52 (for financial accounting) or OKP1 (for controlling) to check the status of the periods. Ensure that the period you are trying to enter is open for posting.
  If the period is closed, you may need to open it temporarily to allow the necessary entries.
  
  
  
  Correct Input:
  
  Ensure that you are entering a valid period. Instead of period 0, input the correct period number that corresponds to your fiscal calendar.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the controlling or financial modules to ensure that the periods are set up correctly. This may involve reviewing the fiscal year variant and the associated periods.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details related to your version of SAP and the modules you are using.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to post in the selected period. Sometimes, restrictions may be in place based on user roles.
  
  
  
  Related Information:
  
  Fiscal Year Variant: Understand how your fiscal year variant is configured, as this will affect the periods available for posting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OB52: For managing posting periods in Financial Accounting.
  OKP1: For managing periods in Controlling.
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who can provide more tailored assistance based on your specific system configuration and business processes.