How To Fix PPESNP034 - The sequence relationships of the activities under &1 &2 contain errors

SAP Error Message - Details

• Message type: E = Error

• Message class: PPESNP - Message Class for SNP Routing

• Message number: 034

• Message text: The sequence relationships of the activities under &1 &2 contain errors

What causes this issue?

All activities must form a continuous
sequence in an SNP routing. However, this
is not the case for this SNP routing.

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

The incorrect sequence relationships can be displayed in the
<LS>Network Graphic - Sequence</>.

System Response

How to fix this error?

For the system to create a sequence automatically, proceed as follows:
Choose the "Activities" tab page in the SNP routing.
Choose <LS>Continue</>.
The system assigns the individual activities automatically.
Save your entries.

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 PPESNP034 - The sequence relationships of the activities under &1 &2 contain errors ?

  The SAP error message PPESNP034 indicates that there are issues with the sequence relationships of activities in a specific production order or project. This error typically arises in the context of production planning and scheduling, particularly when using the SAP Production Planning (PP) module.
  Cause:
  The error can be caused by several factors, including:
  
  
  Incorrect Activity Relationships: The relationships (dependencies) between activities may be incorrectly defined. For example, an activity may be set to start before its predecessor has finished.
  
  
  Missing or Incorrect Dates: If the start or finish dates of activities are not properly defined, it can lead to conflicts in the scheduling.
  
  
  Overlapping Activities: Activities that are not supposed to overlap may have been scheduled to do so, leading to conflicts.
  
  
  Resource Constraints: If resources are not available for certain activities due to scheduling conflicts, it can cause errors in the sequence.
  
  
  Changes in the Project Plan: If there have been recent changes to the project plan or production order that have not been properly updated in the system, it can lead to inconsistencies.
  
  
  Solution:
  To resolve the PPESNP034 error, you can take the following steps:
  
  
  Review Activity Relationships: Check the sequence relationships of the activities in the order or project. Ensure that all predecessor and successor relationships are correctly defined.
  
  
  Adjust Dates: Verify that the start and finish dates for all activities are correctly set and do not conflict with each other.
  
  
  Check for Overlaps: Ensure that activities that should not overlap are scheduled correctly. Adjust the scheduling as necessary.
  
  
  Resource Availability: Confirm that the resources required for each activity are available and not causing scheduling conflicts.
  
  
  Recalculate Schedule: After making adjustments, recalculate the schedule to ensure that all changes are reflected and that there are no remaining errors.
  
  
  Use Transaction Codes: Utilize relevant transaction codes such as CO02 (Change Production Order) or CJ20N (Project Builder) to make necessary adjustments.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on managing activity relationships and scheduling.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Consider reviewing SAP training materials or documentation related to production planning and scheduling for best practices.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify and correct the issues causing the PPESNP034 error in your SAP system.