
Percentage rates in 'From' and 'To' fields must not be less than zero
In the Opportunities Report - Selection Criteria window
you have chosen
(Browse button) next to the Percentage
Rate option. In the Percentage Rate window
you have set a closing percentage range in which the percentage rate in either
the From field or the To field
is negative.
Make sure to specify in both From and To fields percentage rates that are either zero or positive.