How To Fix PPEACT812 - &1 &2 is not included in the relationships of &3 &4

PPEACT812 - Overview

• Message type: E = Error

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

• Message number: 812

• Message text: &1 &2 is not included in the relationships of &3 &4

What causes this issue?

&V1& &V2& is not included in &V3& &V4&. The activity sequence in SAP
APO has not been specified. Routing elements that are not connected
using relationships are not included in APO planning unless the routing
consists of only one activity.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Maintain a unique activity sequence.

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 PPEACT812 - &1 &2 is not included in the relationships of &3 &4 ?

  The SAP error message PPEACT812 typically indicates that there is an issue with the relationships defined in the context of a specific object or entity in the SAP system. This error often arises in the context of SAP's Production Planning and Detailed Scheduling (PP/DS) or similar modules where relationships between different entities (like products, resources, or activities) are crucial for planning and execution.
  
  Cause:
  The error message PPEACT812 occurs when:
  
  An object (like a product or resource) is being referenced in a way that it is not included in the expected relationships of another object.
  There may be a missing or incorrectly defined relationship in the master data setup.
  The system is trying to access a relationship that has not been established or is inactive.
  
  
  Solution:
  To resolve the PPEACT812 error, you can take the following steps:
  
  
  Check Master Data:
  
  Verify the master data for the objects involved (the ones represented by &1, &2, &3, and &4 in the