How To Fix AJ600 - Period category not filled in table IZWST

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 600

• Message text: Period category not filled in table IZWST

What causes this issue?

In routine
&V1&, include &V2& there are entries in the internal table IZWST with
an initial period category.

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?

An internal error has occurred.
INCLUDE ISU_SAP OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ600 - Period category not filled in table IZWST ?

  The SAP error message AJ600, which states "Period category not filled in table IZWST," typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with internal orders or cost centers. This error indicates that the system is unable to find a valid period category in the specified table (IZWST) for the operation you are trying to perform.
  
  Cause:
  
  Missing Configuration: The period category may not be defined in the system for the specific internal order or cost center you are working with.
  Incorrect Master Data: The master data for the internal order or cost center may not have been set up correctly, leading to missing or incorrect period category assignments.
  Data Inconsistency: There may be inconsistencies in the data that prevent the system from determining the appropriate period category.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings in SAP and verify that the period categories are correctly defined for the relevant controlling area.
  Use