When trying to add a team member to a project, an error is generated if the project finish date is in the past and the default value for the 'Availability Start' field is set to today's current date or a date later than the project finish date.
Error: Unable to update record. One or more resources could not be added. Possibly due to security.
Clarity 16.2 and above
This is working as designed. The application throws the error because the availability start date is greater than the project finish date.
If the project finish date is in the past, ensure the default value of the 'Availability Start' field is not set to a date that is later than the project finish date.
To check the default value for the 'Availability Start' field: