SAP Message C7040 - Schedule conflict: Contradicting time constraints

Diagnosis
You have entered time contraints for the activity that have causeddiscrepancies in scheduling. The reasons could include:

  • The time constraints for the predecessor or successor have either too
  • small or too large of an interval to each other and the duration of theactivity is not flexible.
    • You have entered time constraints for the start and finish of the
    • activity that have too small or too large of an interval to each other.
      • You have entered start and finish dates that are not correct, for
      • example, the time constraint for the finish date is before the timeconstraint for the start date.

        Procedure

        • Check the time constraints for the activity.

        • Check the basic dates for the network in the network header.