Internal Sever Error;api erroe

[zhazhahui6]

Error in the 4.2 version：
nodeos：
766000ms thread-0 producer_plugin.cpp:942 produce_block ] Produced block 000013d060b69f55... #5072 @ 2018-06-03T16:12:46.000 signed by eosio [trxs: 0, lib: 5071, confirmed: 0] 766480ms thread-0 http_plugin.cpp:369 handle_exception ] FC Exception encountered while processing chain.push_transaction: 3010010 packed_transaction_type_exception: Invalid packed transaction Invalid packed transaction {} thread-0 chain_plugin.cpp:722 push_transaction pivot != std::string::npos: No delimiter in string, cannot determine type: EOSK8teWzsJrL9WbE8MssinTjLaAmG19vUwDaXjc8fbnVRAcqdr81URWHVPAtyw1iC92E5smJbcuEM18tpNTna192nvB1177N {"str":"EOSK8teWzsJrL9WbE8MssinTjLaAmG19vUwDaXjc8fbnVRAcqdr81URWHVPAtyw1iC92E5smJbcuEM18tpNTna192nvB1177N"} thread-0 signature.cpp:20 parse_base58 Failed to deserialize variant {"variant":{"compression":"none","transaction":{"expiration":"2018-06-03T16:13:43","region":0,"ref_block_num":5064,"ref_block_prefix":2015999601,"max_net_usage_words":0,"max_kcpu_usage":0,"delay_sec":0,"context_free_actions":[],"actions":[{"account":"ping.ctr","name":"ping","authorization":[{"actor":"tester","permission":"active"}],"data":"000000005c95b1ca"}]},"signatures":["EOSK8teWzsJrL9WbE8MssinTjLaAmG19vUwDaXjc8fbnVRAcqdr81URWHVPAtyw1iC92E5smJbcuEM18tpNTna192nvB1177N"]}} thread-0 abi_serializer.hpp:516 from_variant 766500ms thread-0 producer_plugin.cpp:942 produce_block ] Produced block 000013d1987f9def... #5073 @ 2018-06-03T16:12:46.500 signed by eosio [trxs: 0, lib: 5072, confirmed: 0]