ITBM : Error message when trying to create a ProjectIssue When you try to create a Project with Execution Type set to 'Waterfall' then you will get this below error message: 'Set the execution type as Hybrid to retain the stories, agile phases otherwise remove the stories and agile phases to change the project execution type to waterfall' 'Invalid Isert'ReleaseNew YorkCauseCustom Business Rule related to Budget Total Cost Calculation on the pm_project table. After Disabling this Business Rule, you can create the Project.ResolutionFix the custom Business Rule to resolve the issue.