Description
After upgrading to London, an issue was found with the field 'Planned End Date' on the Project Task form, showing an incorrect value {"status":"success","date":} for a new project task as well on existing project tasks.
Release or Environment
First observed in London Patch 3.
Cause
Customized Script include 'AjaxProjectTaskUtil'.
Resolution
Reverting back the script include to the OOB version.
Additional Information
The Script Include "AjaxProjectTaskUtil" is responsible to calculate the end date and duration for the projects and project tasks, being called by the Client Script "Calculate End Date From Duration".