How To Fix PPEACT851 - CTM planning for &1 &2 only allows linear assigned activities

PPEACT851 - Overview

• Message type: E = Error

• Message class: PPEACT - Messages for iPPE ACT Application (Activities)

• Message number: 851

• Message text: CTM planning for &1 &2 only allows linear assigned activities

What causes this issue?

Parallel relationships cannot be maintained in a routing that is to be
included in CTM planning.

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?

Remove the parallel relationships in &V1& &V2&.

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 PPEACT851 - CTM planning for &1 &2 only allows linear assigned activities ?

  The SAP error message PPEACT851 indicates that the planning for a specific activity in the Capacity Planning (CTM - Capable-to-Match) context is restricted to linear assigned activities. This typically occurs when you are trying to plan or schedule activities that do not meet the criteria for linear assignment.
  
  Cause:
  
  Activity Type: The activity you are trying to plan may not be defined as a linear activity in the system. Linear activities are those that can be scheduled in a continuous manner, such as production processes that can be planned in a linear fashion.
  Configuration Settings: The configuration settings in the system may not allow for non-linear activities to be planned in the CTM context.
  Data Integrity: There may be issues with the data integrity of the activities being planned, such as missing or incorrect parameters that define the activity type.
  
  
  Solution:
  
  Check Activity Type: Ensure that the activity you are trying to plan is defined as