The formula field "Project" on the Task object is broken. When clicking the link, the user is returned with an error page "This page not available in Lightning"
Workaround:
Update the formula field with the following
HYPERLINK(Project_Milestone__r.Project__c, Project_Milestone__r.Project__r.Name, '_self')
The formula field "Project" on the Task object is broken. When clicking the link, the user is returned with an error page "This page not available in Lightning"
Workaround:
Update the formula field with the following
HYPERLINK(Project_Milestone__r.Project__c, Project_Milestone__r.Project__r.Name, '_self')