How To Fix OIUPR258 - There were construction errors found for this network - check for loop.

OIUPR258 - Overview

• Message type: E = Error

• Message class: OIUPR - PRA Production Messages

• Message number: 258

• Message text: There were construction errors found for this network - check for loop.

What causes this issue?

There was a construction error found for this network. The
structure(s) shown do not have looping errors, but are not neccessarily
valid.

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?

The invalid and possible looping structure(s) are not shown on this
page, but can be found by pressing "Possible Loop Errors" in the status
bar.

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 OIUPR258 - There were construction errors found for this network - check for loop. ?

  The SAP error message OIUPR258 indicates that there are construction errors in a network, specifically related to loops. This error typically occurs in the context of SAP's Project System (PS) or other modules that deal with network planning and management, such as SAP Plant Maintenance (PM) or SAP Controlling (CO).
  
  Cause:
  The error message OIUPR258 is usually caused by one of the following issues:
  
  Loop in the Network: There may be a circular dependency in the network activities, meaning that one activity is dependent on another in a way that creates a loop.
  Incorrect Activity Relationships: The relationships (dependencies) between activities may not be set up correctly, leading to inconsistencies in the network structure.
  Missing or Incorrectly Defined Activities: Some activities may be missing or not properly defined, which can lead to construction errors.
  Incorrect Dates: Activities may have overlapping dates or incorrect start and finish dates that create conflicts.
  
  
  Solution:
  To resolve the OIUPR258 error, you can