The contract line is associated with a percent spent revenue plan. Revenue not generated

Not able to generate a revenue for the contract and Associated Project.

Invoice method used is Rate Based

Revenue Method used is Percent Spent

Getting this error "The contract line is
associated with a percent
spent bill plan or revenue
plan. Increase the amount
of the baseline cost
budget or amend the bill
or revenue plan of the
contract to select a
different invoice or Revenue Method"

Cost Plan is correctly attached to the Percent spent Revenue Billing Extension