How To Fix IP423 - No start offset has been set

SAP Error Message - Details

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 423

• Message text: No start offset has been set

What causes this issue?

You have tried to start a maintenance plan within the cycle. The
present position in the maintenance cycle is determined by the start
offset.
You have not set a start offset however.

How to fix this error?

Perform the function for starting within the cycle again and select the
start offset.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP423 - No start offset has been set ?

  The SAP error message IP423: No start offset has been set typically occurs in the context of maintenance planning and scheduling within the SAP system, particularly when dealing with maintenance plans and their associated tasks. This error indicates that the system is unable to determine a starting point for the maintenance task or plan, which is necessary for scheduling and execution.
  Cause:
  The error can arise due to several reasons, including:
  
  
  Missing Start Offset: The maintenance plan or task does not have a defined start offset. The start offset is crucial for determining when the maintenance task should begin relative to a reference date (like the start of the maintenance cycle).
  
  
  Incorrect Configuration: The configuration settings for the maintenance plan may not be set up correctly, leading to the absence of a start offset.
  
  
  Data Entry Issues: There may be missing or incorrect data entries in the maintenance plan or task that prevent the system from calculating the start offset.
  
  
  Solution:
  To resolve the IP423 error, you can take the following steps:
  
  
  Check Maintenance Plan Configuration:
  
  Go to the maintenance plan in question and check the details.
  Ensure that the start offset is defined. This can usually be found in the maintenance plan's scheduling parameters.
  
  
  
  Define Start Offset:
  
  If the start offset is missing, you can set it by navigating to the relevant maintenance plan and entering a valid start offset value. This is typically done in the "Maintenance Plan" transaction (IP01, IP02, or IP03).
  
  
  
  Review Task List:
  
  If the maintenance plan is linked to a task list, ensure that the task list is correctly configured and that all necessary parameters are filled out.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no dependencies or prerequisites that are not met, which could prevent the start offset from being calculated.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on setting up maintenance plans and understanding the implications of start offsets.
  
  
  
  Testing:
  
  After making changes, test the maintenance plan to ensure that the error no longer occurs and that the scheduling works as expected.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IP01 (Create Maintenance Plan), IP02 (Change Maintenance Plan), and IP03 (Display Maintenance Plan).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to maintenance plans and that your user role allows for the required actions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SAP PM (Plant Maintenance) for further assistance.