Identifier,Meaning,Reference
malformed,The request could not be parsed.,[RFC9162]
badSubmission,submission is neither a valid certificate nor a valid precertificate.,[RFC9162]
badType,type is neither 1 nor 2.,[RFC9162]
badChain,"The first element of chain is not the certifier of the submission, or the second element does not certify the first, etc.",[RFC9162]
badCertificate,"One or more certificates in the chain are not valid (e.g., not properly encoded).",[RFC9162]
unknownAnchor,"The last element of chain (or, if chain is an empty array, the submission)
        is not, and nor is it certified by, an accepted trust anchor.",[RFC9162]
shutdown,The log is no longer accepting submissions.,[RFC9162]
firstUnknown,first is before the latest known STH but is not from an existing STH.,[RFC9162]
secondUnknown,second is before the latest known STH but is not from an existing STH.,[RFC9162]
secondBeforeFirst,second is smaller than first.,[RFC9162]
hashUnknown,hash is not the hash of a known leaf (may be caused by skew or by a known certificate not yet merged).,[RFC9162]
treeSizeUnknown,hash is before the latest known STH but is not from an existing STH.,[RFC9162]
startUnknown,start is greater than the number of entries in the Merkle Tree.,[RFC9162]
endBeforeStart,start cannot be greater than end.,[RFC9162]