How To Fix PPEACT627 - Only mode linkage is allowed between primary resources under &1 &2

PPEACT627 - Overview

• Message type: E = Error

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

• Message number: 627

• Message text: Only mode linkage is allowed between primary resources under &1 &2

What causes this issue?

A mode linkage using primary resources is required for the
relationships between the activities below the operation.

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?

Specify a mode linkage using primary resources at all relationships
below &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 PPEACT627 - Only mode linkage is allowed between primary resources under &1 &2 ?

  The SAP error message PPEACT627 indicates that there is an issue with the configuration of primary resources in a production planning or capacity planning context. Specifically, it states that "Only mode linkage is allowed between primary resources under &1 &2." This typically occurs when there is an attempt to link primary resources in a way that is not permitted by the system's configuration.
  
  Cause:
  
  Incorrect Resource Configuration: The primary resources involved may not be configured correctly in the system. This can happen if the resources are set up to be linked in a manner that is not allowed (e.g., trying to link them in a way that is not mode-based).
  Resource Type Mismatch: The resources may be of different types or categories that do not allow for the type of linkage being attempted.
  Mode Linkage Requirement: The system requires that only mode linkages (where resources can operate in different modes) are allowed between primary