Hi,

I just installed version 1.61 of Milestones PM. I created a new project with milestones & tasks. Whenever I try to change the deadline of a milestone, I get the following error:

Does anyone know how I could fix this?

Thanks!

Error: Invalid Data. 
Review all error messages below to correct your data.
Apex trigger Milestone1_Milestone_Trigger caused an unexpected exception, contact your administrator: Milestone1_Milestone_Trigger: execution of AfterUpdate caused by: System.DmlException: Update failed. First exception on row 0 with id a0A6000000DN97PEAT; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, Milestone1_Milestone_Trigger: execution of AfterUpdate caused by: System.DmlException: Update failed. First exception on row 0 with id a0A6000000DN97yEAD; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, Milestone1_Milestone_Trigger: execution of AfterUpdate caused by: System.DmlException: Update failed. First exception on row 0 with id a0A6000000DN98DEAT; first error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY, Milestone1_Milestone_Trigger: execution of AfterUpdate caused by: System.DmlException: Update failed. First exception on row 0 with id a0A6000000DN98IEAT; first error: FIELD_CUSTOM_VALIDATION_EXCEPTION, Milestone Kickoff must not be earlier than its Predecessor's Deadline.: [Kickoff__c] Class.Milestone1_Milestone_Trigger_Utility.checkSuccessorDependencies: line 103, column 1 Trigger.Milestone1_Milestone_Trigger: line 24, column 1: [] Class.Milestone1_Milestone_Trigger_Utility.checkSuccessorDependencies: line 103, column 1 Trigger.Milestone1_Milestone_Trigger: line 24, column 1: [] Class.Milestone1_Milestone_Trigger_Utility.checkSuccessorDependencies: line 103, column 1 Trigger.Milestone1_Milestone_Trigger: line 24, column 1: []: Class.Milestone1_Milestone_Trigger_Utility.checkSuccessorDependencies: line 103, column 1