How To Fix IP813 - Key date scheduling not possible

IP813 - Overview

• 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