How To Fix CY726 - & has no connection with predecessor & in res. netw. struct. & in plant &

CY726 - Overview

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 726

• Message text: & has no connection with predecessor & in res. netw. struct. & in plant &

What causes this issue?

The header data of the process order specifies that the operations must
be scheduled on a particular resource network structure.
However, the operation has been scheduled on a resource that is not
defined as the successor resource of the resource on which a
"predecessor" operation is to be carried out.

How to fix this error?

Please schedule the operations in the sequence defined by the resource
network structure.

Error message extract from SAP system. Copyright SAP SE.

CY726 - Details

• The SAP error message CY726 typically indicates an issue related to the network structure in a project or production planning context. This error suggests that there is a problem with the relationship between activities in a network, specifically that a certain activity has no connection with its predecessor in the network structure.
  
  Cause:
  
  Missing Predecessor Relationship: The activity in question is expected to have a predecessor, but it does not. This can happen if the predecessor activity was deleted or if the relationship was not properly defined.
  Incorrect Network Configuration: The network structure may not be set up correctly, leading to disconnections between activities.
  Data Integrity Issues: There may be inconsistencies in the data, such as missing or incorrect entries in the network or activity definitions.
  
  
  Solution:
  
  
  Check Activity Relationships:
  
  Go to the network in question and check the relationships between activities. Ensure that all activities have the correct predecessor and successor relationships defined.
  If an activity is