How To Fix IP890 - Key-date scheduling for strategy is not possible

IP890 - Overview

• Message type: E = Error

• Message class: IP - Messages for preventive maintenance

• Message number: 890

• Message text: Key-date scheduling for strategy is not possible

What causes this issue?

You tried to change the scheduling indicator of a strategy to "Time -
Key-Date".
If you want to use a strategy with the scheduling indicator "Time - Key
Date", all maintenance packages or cycles must last for at least one
month. This prerequisite is not fulfilled.

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?

Assign a value of at least one month or multiples of a month to the
maintenance packages and cycles and then change the scheduling indicator
in the strategy to "Time - Key Date". You could also select another
scheduling indicator, for example, "Time - Factory Calendar"

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 IP890 - Key-date scheduling for strategy is not possible ?

  The SAP error message IP890 ("Key-date scheduling for strategy is not possible") typically occurs in the context of production planning and scheduling, particularly when using the planning strategies in SAP's Integrated Business Planning (IBP) or Production Planning (PP) modules. This error indicates that the system is unable to perform scheduling based on the key date specified in the planning strategy.
  Causes:
  
  Invalid Key Date: The key date specified for scheduling may not be valid or may fall outside the permissible range for the planning strategy.
  Missing Master Data: Required master data (like material master, work center, or routing) may be missing or incorrectly configured.
  Planning Strategy Configuration: The planning strategy may not be set up correctly, or the parameters for the strategy may not align with the key date.
  Capacity Constraints: There may be capacity constraints that prevent scheduling on the specified key date.
  Calendar Settings: The factory calendar or holiday settings may not allow for