SAP Message AC221 - Enter at least one percentage rate DOCUMENTATION DiagnosisYou have eithernot entered a percentage rate for this cut-off value key ordeleted all existing percentage ratesHowever, you have to define at least one percentage rate for a cutoffvalue key.ProcedureIn the first case: specify a percentage rate.In the second case: make your deletions again but this time, keep atleast one percentage rate or enter a new one.