When trying to save a project back from MSP (Microsoft Project) to Clarity PPM, receive a Project Save Failed error. Prior to the project save failed message, you may see message <task> in <Project Name> cannot be completed in the time allocated because there is a scheduling conflict between this task and another one to which it is linked".
In the app-ca.logs, you will see the following Warning message 'ImportTaskProcessor.doProcess(): Illegal Task Start and/or Finish dates' related to schedulers.postProject.
Tip: To get to the app-ca.logs, see the following KB that will walk both On Premise and SaaS customers on steps to retrieve the log: Access the app-ca.log or other Clarity Logs
Here's how you can find problem tasks:
Release: All Supported Releases
Component: ODMSP - MSP New Driver
Option 1: Change any tasks, including summary tasks, that are Manually Scheduled to Auto Scheduled
Option 2: Make sure the Summary task Start/finish dates are updated to include the range of all tasks beneath it.
Option 3: Update all the child tasks under the impacted Summary task to ensure the dates of the tasks fall within the range of the summary task.
Important: MSP may be autoscheduling the tasks to push them out, particularly if one or more resources are over allocated on a task, so this 3rd option may not work unless the scheduling issues are corrected so the assignment isn't overallocated
Tip: To check for any manually scheduled summary tasks: