2863781 - Error Message:You cannot start or release a project without an active baseline

You have created a project which is in In Planning status. However when you try to release the project system shows this error.

error may also appear as"The action ACTIVATE is not possible. Refresh the screen and try again. If the problem persists, report an incident"

SAP Business ByDesign

The action ACTIVATE is not possible. Refresh the screen and try again. If the problem persists, report an incident; You cannot start or release a project without an active baseline; Project type is obsolete; Action not executed; data has been changed in parallel session,Error Appears While Trying to Release the Project , KBA , data has been changed in parallel sessio , start or release a project with baseline , activate is not possible. refresh screen , the action activate is not possible , AP-PRO , Project Processing , Problem