How To Fix IP813 - Key date scheduling not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 813

• Message text: Key date scheduling not possible

What causes this issue?

You have attempted to perform key date
<GL:maintenance_plan_scheduling>scheduling</>.
Key date scheduling is not allowed for performance-based strategies.
In the case of time strategies, all <GL:maintenance_package>maintenance
packages</> or cycles must last at least a month or a multiple thereof.

System Response

The System automatically removes the indicator <LS>Key date scheduling
</> and sets it to time scheduling.

How to fix this error?

Check the <GL:preventive_maintenance_strategy>maintenance strategies</>
or the cycle. Select another scheduling indicator, for example, time/
/factory calendar.
If you are already in the scheduling function, you must restart the
maintenance plan. The plan is scheduled as a time-based maintenance
plan.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IP813 - Key date scheduling not possible ?

  The SAP error message IP813: Key date scheduling not possible typically occurs in the context of production planning and scheduling within the SAP system, particularly when dealing with maintenance plans or production orders. This error indicates that the system is unable to schedule a maintenance task or production order for the specified key date due to various reasons.
  Causes of IP813 Error
  
  
  Invalid Key Date: The key date specified for scheduling may fall outside the permissible range for the maintenance plan or production order.
  
  
  Missing or Incorrect Master Data: Required master data such as work centers, resources, or production versions may be missing or incorrectly configured.
  
  
  Capacity Constraints: There may be capacity constraints in the work center that prevent scheduling on the specified key date.
  
  
  Scheduling Parameters: The scheduling parameters set in the maintenance plan or production order may not allow for scheduling on the specified date.
  
  
  Locked Resources: The resources or work centers may be locked or unavailable for the specified key date.
  
  
  Calendar Issues: The factory calendar or work schedule may not allow for operations on the specified key date.
  
  
  Solutions to IP813 Error
  
  
  Check Key Date: Verify that the key date you are trying to use for scheduling is valid and falls within the acceptable range for the maintenance plan or production order.
  
  
  Review Master Data: Ensure that all necessary master data (work centers, resources, etc.) is correctly set up and available for the scheduling process.
  
  
  Analyze Capacity: Check the capacity of the work center for the specified key date. If the capacity is insufficient, consider rescheduling or adjusting the capacity.
  
  
  Adjust Scheduling Parameters: Review the scheduling parameters in the maintenance plan or production order to ensure they allow for scheduling on the desired date.
  
  
  Check Resource Availability: Ensure that the resources or work centers are not locked or unavailable on the specified key date.
  
  
  Review Factory Calendar: Check the factory calendar and work schedule to ensure that operations are allowed on the specified key date.
  
  
  Use Alternative Dates: If the key date cannot be scheduled, consider using an alternative date that meets all scheduling criteria.
  
  
  Related Information
  
  
  Transaction Codes: You may use transaction codes like IP01 (Create Maintenance Plan), IP02 (Change Maintenance Plan), or IP03 (Display Maintenance Plan) to review and adjust maintenance plans.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the IP813 error. SAP Support may have specific recommendations or fixes.
  
  
  Documentation: Refer to SAP documentation for detailed information on scheduling and maintenance planning to understand the underlying processes better.
  
  
  Consult with SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  By following these steps, you should be able to identify the cause of the IP813 error and implement a suitable solution.