Duration is set to 0 when the Planned End Date is changed on a Project Task (Client Side)Issue Duration is set to 0 when the Planned End Date is changed on a Project Task (Client Side)ResolutionThis was happening due to customization of the "ProjectTaskManagerUtil" Script Include.To fix, follow the steps below.NEXT STEPS:1. Navigate to System Definition > Script Includes2. In the "Name" column search for "ProjectTaskManagerUtil" and go to the record3. In the Versions related list, right-click the latest record with the Source of "System Upgrades: glide-VERSION_NAME..."4. Select "Revert to this version"5. Select OK when prompted