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Messages 
You see messages at the top of each page. Messages can describe errors, warnings, or further information depending upon the action generating the message.
The system displays messages in the area below the toolbar on the top of each page. You only see the message area when the system generates a message.
The following conditions generate messages:
· An assignment for the wrong resource type, for example, an assignment made to external resources when only allowed for internal resources.
· An assignment not fulfilling mandatory qualification requirements
· An assignment for a resource outside normal working time.
· A time allocation (an illness, for example) that conflicts with an assignment.
· An assignment that does not fulfill the capacity of the demand.
· Capacity limit reached during manual scheduling.
· An assignment that will exceed the overtime limit of the resource.
· An assignment outside the validity periods of a resource. For example, a resource could be valid for WFD until next week and the planner creates an assignment for the following week for that resource.
· Assignment outside either demand window or resource availability.
· No free capacity for resource.
· Overtime limit of resource exceeded.
· Service area of resource does not match demand.
When the system displays an error message, it highlights the field or area in error on the UI to allow you to more easily identify the cause and correct the error.
In the message area, you can:
● View or collapse the list
● Clear messages from the list
● View more detail, when available, by choosing the hyperlink in the Details column
The system uses the following icons to identify the type of message:
-- Error
--
Warning
--
Further information
When the system displays an error message, it highlights the field or area in error on the UI to allow you to more easily identify the cause and correct the error.
The system attempts to save the data whenever you choose Save even if the data results in a warning message. When this does occur, change the data to correct the warning message and save the data again.
The system keeps messages only for the current session, deleting them from the list when you logoff from a session.