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 transaction code SPRO to access the configuration menu and navigate to the relevant settings under Controlling.
  
  
  
  Review Master Data:
  
  Check the master data for the internal order or cost center in question. Ensure that the period category is filled in correctly.
  You can use transaction codes like KO03 (Display Internal Order) or KS03 (Display Cost Center) to review the details.
  
  
  
  Update Missing Data:
  
  If the period category is missing, you may need to update the master data to include the correct period category.
  Use transaction codes KO02 (Change Internal Order) or KS02 (Change Cost Center) to make the necessary updates.
  
  
  
  Check Table IZWST:
  
  You can directly check the contents of the IZWST table to see if the period categories are populated correctly. Use transaction code SE16N to view the table data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on period categories and their configuration.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO, KO03, KO02, KS03, and KS02.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the AJ600 error and implement the necessary solutions to resolve it.