How To Fix TFC0743 - Predecessor &1 cannot be created

TFC0743 - Overview

• Message type: E = Error

• Message class: TFC0 - Messages in FC

• Message number: 743

• Message text: Predecessor &1 cannot be created

What causes this issue?

You want to define a dependency between tasks. In this process, the
system checks the start time of the tasks: The preceding task must start
before the successor task. However, this is not the case with the
dependency that you have defined.

System Response

Such dependencies are not permitted.

How to fix this error?

Change the offset or the start time of the tasks.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TFC0743 - Predecessor &1 cannot be created ?

  The SAP error message TFC0743, which states "Predecessor &1 cannot be created," typically occurs in the context of project management or production planning within SAP. This error indicates that there is an issue with creating a predecessor relationship for a task or activity in a project or production order.
  Causes:
  
  Invalid Predecessor: The predecessor task or activity specified does not exist or is not valid in the current context.
  Incorrect Status: The predecessor task may be in a status that does not allow for new relationships to be created (e.g., it may be completed or closed).
  Missing Data: Required data for the predecessor task may be missing or incomplete, preventing the creation of the relationship.
  
  Configuration Issues: There may be configuration settings in the project management or production planning module that are not set up correctly.
  Dependency Rules: The system may have rules or constraints that prevent the creation of the predecessor relationship based on the