Fix throwing incorrect exception type
Fix throwing incorrect exception type

bitsuperlab/cpp-play2,bigoc/openchain,pmconrad/graphene,cryptonomex/graphene,cryptonomex/graphene,bitshares/bitshares-2,oxarbitrage/bitshares-core,bigoc/openchain,peertracksinc/muse,bitshares/bitshares-2,oxarbitrage/bitshares-core,abitmore/bitshares-2,oxarbitrage/bitshares-core,pmconrad/graphene,pmconrad/graphene,pmconrad/graphene,oxarbitrage/bitshares-core,bitsuperlab/cpp-play2,abitmore/bitshares-2,peertracksinc/muse,bitshares/bitshares-2,peertracksinc/muse,bigoc/openchain,abitmore/bitshares-2,abitmore/bitshares-2,cryptonomex/graphene,bitshares/bitshares-2,peertracksinc/muse,bitsuperlab/cpp-play2,bigoc/openchain