## babe
 
 DuplicateOffenceReport
- **interface**: `babe.DuplicateOffenceReport.is`
- **summary**:    A given equivocation report is valid but already previously reported. 
 
 InvalidConfiguration
- **interface**: `babe.InvalidConfiguration.is`
- **summary**:    Submitted configuration is invalid. 
 
 InvalidEquivocationProof
- **interface**: `babe.InvalidEquivocationProof.is`
- **summary**:    An equivocation proof provided as part of an equivocation report is invalid. 
 
 InvalidKeyOwnershipProof
- **interface**: `babe.InvalidKeyOwnershipProof.is`
- **summary**:    A key ownership proof provided as part of an equivocation report is invalid.