error.md 812 B
8. error code
| code | msg |
|---|---|
| U1 | Clientid not found |
| U2 | Signature error |
| V1 | Parameter missing |
| E1 | Exceed the limit |
| R1 | Orderno repeat |
| C1 | Order currency is not set |
| P1 | paychannel error |
| I1 | Illegal request address |
| T1 | Parameter missing（version或tranType） |
| T2 | Txntype error |
| T3 | transaction is not exist or fail |
| T4 | The maximum amount exceeds the upper limit |
| 99 | System error