How To Fix PSSC_CONTR007 - No predecessor found for SXP &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PSSC_CONTR - Messages for application controller

• Message number: 007

• Message text: No predecessor found for SXP &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PSSC_CONTR007 - No predecessor found for SXP &1 ?

  The SAP error message PSSC_CONTR007 with the description "No predecessor found for SXP &1" typically occurs in the context of SAP Project System (PS) or SAP Controlling (CO) modules. This error indicates that the system is unable to find a predecessor relationship for a specific activity or task identified by the SXP (Service Execution Process) number provided in the error message.
  Cause:
  
  
  Missing Predecessor Assignment: The most common cause of this error is that the activity or task you are trying to process does not have a predecessor defined in the project structure. Predecessors are necessary for scheduling and sequencing tasks in project management.
  
  
  Incorrect Configuration: There may be an issue with the configuration of the project or the way the activities are set up in the system.
  
  
  Data Integrity Issues: There could be data integrity issues in the project structure, such as missing links or incorrect references.
  
  
  Solution:
  
  
  Check Project Structure: 
  
  Navigate to the project in question and check the structure to ensure that the activity or task has a predecessor defined.
  You can do this by going to the project definition and reviewing the activities and their relationships.
  
  
  
  Define Predecessors:
  
  If the predecessor is missing, you will need to define it. This can typically be done in the project planning transaction (e.g., CJ20N for Project Builder).
  Add the necessary predecessor relationships to the activity.
  
  
  
  Review Configuration:
  
  Ensure that the project and activity types are correctly configured to allow for predecessor relationships.
  Check if there are any specific settings in the project profile that might affect predecessor assignments.
  
  
  
  Data Consistency Check:
  
  Run a consistency check on the project to identify any other potential issues that might be causing the error.
  Use transaction codes like CJEN (for project structure) to check for inconsistencies.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any additional insights or specific steps that may be required based on your system version.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJ02 (Change Project), and CJ03 (Display Project) for managing project structures.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to the project structure.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.