How To Fix STEP934 - Create PNAL &1: Alternative segment &2 to nodes &3 generated

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 934

• Message text: Create PNAL &1: Alternative segment &2 to nodes &3 generated

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message STEP934 - Create PNAL &1: Alternative segment &2 to nodes &3 generated ?

  The SAP error message "STEP934 Create PNAL &1: Alternative segment &2 to nodes &3 generated" typically occurs in the context of the SAP system's processing of network activities, particularly in project systems or logistics. This error message indicates that there is an issue with the creation of a "PNAL" (which stands for "Project Network Activity List") due to an alternative segment being generated for specific nodes.
  Cause:
  
  Data Inconsistency: The error may arise from inconsistencies in the data related to the project network or activity segments. This could be due to missing or incorrect data in the project definition or network activities.
  Configuration Issues: There may be configuration issues in the project system settings that prevent the proper creation of the PNAL.
  Dependencies and Relationships: If there are dependencies or relationships between activities that are not properly defined, it can lead to this error.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific patches that have not been applied.
  
  Solution:
  
  Check Data Consistency: Review the project network and ensure that all required data is correctly entered. Look for any missing or incorrect entries in the project definition, activities, and relationships.
  Review Configuration: Verify the configuration settings for the project system. Ensure that all necessary settings are correctly defined and that there are no conflicts.
  Analyze Dependencies: Check the dependencies and relationships between activities in the project network. Make sure that they are correctly defined and that there are no circular dependencies or other issues.
  SAP Notes and Patches: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. Applying the latest patches may resolve the issue.
  Consult Documentation: Refer to SAP documentation or help resources for additional guidance on handling project network errors.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CN41 (Network Overview) to analyze project networks and activities.
  Error Logs: Check the system logs (transaction SLG1) for additional error messages or warnings that may provide more context about the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.