ERROR: invalid byte sequence for encoding "UTF8": 0x00

[baigreen]

I think the problem due to the string ""key":"\u0000�initialized"".
here is the logs.

fabric version : 2.2.1

2021/01/25 03:42:23
INSERT INTO "transaction" ("channel_id","block_num","tx_num","tx_hash","chaincode_name","tx_type","tx_filter","tx_response","read_set","write_set","read_key_list","write_key_list","chaincode_function","chaincode_function_parameters","create_msp_id","endorser_msp_id","endorser_signature","created_at","updated_at") VALUES (1,6,0,'9d76aa6269a186f424b1839530cea3fa8a9f2af34dcfba975d15dc97524b1e0f','sacc','ENDORSER_TRANSACTION',10,200,'[{"namespace":"sacc","set":[{"key":"\u0000�initialized","Version":{"block_num":4,"tx_num":0}}]}]','[{"namespace":"sacc","set":[{"key":"b","is_delete":false,"value":"2exit00"}]}]',NULL,NULL,'set','b,2exit00','Org1MSP','Org1MSP,Org1MSP','[{"cerficate":"-----BEGIN CERTIFICATE-----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\nFJRyUQ==\n-----END CERTIFICATE-----\n","msp_id":"Org1MSP","signature":"3045022100e5d912ee49d84bdef6ac408d3e6acb7c9a9127499dc1d73510d94e466a42021b022000ead8e779a2b82738207f97a33b1f6fc1094fc778e9641fb80aa86c444f10c1"},{"cerficate":"-----BEGIN CERTIFICATE-----\nMIICEDCCAbegAwIBAgIRAP6HsIHsA6vSJHsNwraWujQwCgYIKoZIzj0EAwIwZzEL\nMAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG\ncmFuY2lzY28xEzARBgNVBAoTCm9yZzEuYmsuY24xFjAUBgNVBAMTDWNhLm9yZzEu\nYmsuY24wHhcNMjEwMTIyMDE1NTAwWhcNMzEwMTIwMDE1NTAwWjBeMQswCQYDVQQG\nEwJVUzETMBEGA1
UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNU2FuIEZyYW5jaXNj\nbzENMAsGA1UECxMEcGVlcjETMBEGA1UEAxMKcGVlcjAtb3JnMTBZMBMGByqGSM49\nAgEGCCqGSM49AwEHA0IABCjY+hiQh4yaqWgu29NxPm7uVth2lTYhILuf0+FKROl5\nohLQiNravHlgrQRD2cdB1ZWNxjxnoOkaMl5DyaOKtByjTTBLMA4GA1UdDwEB/wQE\nAwIHgDAMBgNVHRMBAf8EAjAAMCsGA1UdIwQkMCKAIHAr+Ejw8J64oLI0yEnqIwK0\n8Agf26JFtS3EhgLySCWWMAoGCCqGSM49BAMCA0cAMEQCIFXbiO/a7FZ+G1jJwDs1\nzgS/gFYVauN/g6mf62kQ/FTpAiAJ/gvIUn+Lon8R1vLMkBW7jCqPYRhdFNCv0QG9\nFJRyUQ==\n-----END CERTIFICATE-----\n","msp_id":"Org1MSP","signature":"3045022100e95efd53a30c00989e70c95a98f492d1dad149dd1819359a902a66ebebb9562f022020b212943fc32ad95b1dc51d9901297374805767916d1b378a7fcd3c82cabe03"}]','2021-01-25 03:15:20','2021-01-25 03:42:23.059') RETURNING "id"

[wjbbig]

The latest update has fixed the problem. Please check it.