How To Fix DPR_BAPI139 - Incorrect predecessor phase &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DPR_BAPI - Messages for BAPIs in Project Management

• Message number: 139

• Message text: Incorrect predecessor phase &1

What causes this issue?

You have filled the
<LS>PREDECESSOR_PHASE_GUID</> field in the data structure
for the phase in the BAPI and have set the relevant indicator in the
update structure. However, the predecessor phase from
<LS>PREDECESSOR_PHASE_GUID</> cannot be used for one of the following
reasons:
The GUID &V1& does not exist
The GUID &V1& does not represent a phase
The GUID &V1& is not referenced to a phase in the current project

System Response

The system cancels the processing of the BAPI.

How to fix this error?

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

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 DPR_BAPI139 - Incorrect predecessor phase &1 ?

  The SAP error message DPR_BAPI139 "Incorrect predecessor phase &1" typically occurs in the context of project management within SAP, particularly when dealing with project phases and their dependencies in the Project System (PS) or the Project Management (PM) module. This error indicates that there is an issue with the predecessor phase specified in a project or task.
  Cause:
  
  Invalid Predecessor Phase: The predecessor phase specified does not exist or is not valid for the current project structure.
  Incorrect Phase Sequence: The predecessor phase may not be in the correct sequence or may not be allowed to precede the current phase based on the project’s configuration.
  Data Inconsistency: There may be inconsistencies in the project data, such as missing or incorrectly configured phases.
  Authorization Issues: The user may not have the necessary permissions to access or modify the predecessor phase.
  
  Solution:
  
  Verify Predecessor Phase: Check the predecessor phase specified in the project. Ensure that it exists and is correctly defined in the project structure.
  Check Phase Configuration: Review the configuration of the project phases to ensure that the predecessor phase is allowed to precede the current phase. This may involve checking the phase relationships and dependencies.
  Correct Data Entry: If the predecessor phase was entered incorrectly, correct it to point to a valid phase.
  Review Project Structure: Ensure that the overall project structure is correctly set up and that all phases are properly defined.
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the project phases.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing project phases and dependencies.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CJ02 (Change Project) to review and modify project phases.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error.
  Project Management Best Practices: Familiarize yourself with best practices in project management within SAP to avoid common pitfalls related to phase management.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data setup in your SAP environment.