rcDBPackNotInited - attempt to call other routine before InitDBPack

rcDBWrongVersion - incompatible versions

rcDBNoHandler - no app handler for specified data type

rcDBBadAsyncPB - tried to kill a bad pb

rcDBAsyncNotSupp - ddev does not support async calls

rcDBBadDDEV - bad ddev specified on DBInit

rcDBBadSessNum - bad session number for DBGetConnInfo

rcDBBadSessID

rcDBExec

rcDBBreak

rcDBBadType

rcDBError

rcDBValue

rcDBNull