May 20, 2021 WeChat Mini Program Development Document
The exceptions thrown when using cloud capabilities (fail callback / Promise reject) Error objects will have errCode and errMsg, and the cloud development HTTP API backpase will also have errcode and errmsg, here is a list of errCode values.
| Error code | Meaning |
|---|---|
| -1 | Universal error |
| -401001 | SDK universal error: No permission to use the API |
| -401002 | SDK universal error: API incoming parameter error |
| -401003 | SDK universal error: API incoming parameter type error |
| -402001 | SDK database error: A circular reference was detected |
| -402002 | SDK database error: Initialization listening failed |
| -402003 | SDK database error: Reconnecting WebSocket failed |
| -402004 | SDK database error: Failed to rebuild listening |
| -402005 | SDK database error: Failed to shut down listening |
| -402006 | SDK database error: A server error message was received |
| -402007 | SDK database error: Illegal data received from the server |
| -402008 | SDK database error: WebSocket connection exception |
| -402009 | SDK database error: WebSocket is disconnected |
| -402010 | SDK database error: Failed to check package order |
| -402011 | SDK database error: Unknown exception |
| -501001 | Cloud Resource Universal Error: Cloud System Error |
| -403001 | SDK file storage error: Uploaded files exceed the maximum size limit |
| -404001 | SDK cloud function error: Cloud function call failed internally: empty return package |
| -404002 | SDK cloud function error: Cloud function call failed internally: empty eventid |
| -404003 | SDK cloud function error: Cloud function call internal failure: empty pollurl |
| -404004 | SDK cloud function error: Cloud function call internal failed: empty point result json |
| -404005 | SDK cloud function error: Cloud function call failed: exceeding the maximum normal result polling attempt |
| -404006 | SDK cloud function error: Cloud function call internal failure: empty base resp |
| -404007 | SDK cloud function error: Cloud function call failed: baseresponse.errcode Non 0 |
| -404008 | SDK cloud function error: Cloud function call failed: V1 polling status code exception |
| -404009 | SDK cloud function error: Cloud function call internal failure: polling processing exception |
| -404010 | SDK cloud function error: Cloud function call failed: polling results have expired for timeout 1 |
| -404011 | SDK cloud function error: Cloud function call failed: Function failed |
| -404012 | SDK cloud function error: Cloud function call failed: After the maximum polling timeout, try 2 |
| -40400x | SDK cloud function error: Cloud function call failed |
| -404011 | SDK cloud function error: Cloud function failed |
| -501002 | Cloud resource universal error: cloud response timeout |
| -501003 | Cloud resources universal error: the number of requests beyond the environment quota |
| -501004 | Cloud resource universal error: request concurrently beyond the environment quota |
| -501005 | Cloud resources universal error: environmental information exception |
| -501007 | Cloud resource universal error: parameter error |
| -501009 | Cloud resource universal error: the resource object operated illegally or does not exist |
| -501015 | Cloud resource universal error: read requests are exhausted |
| -501016 | Cloud resource universal error: write request number quota exhausted |
| -501017 | Cloud resource universal error: disk exhaustion |
| -501018 | Cloud resources universal error: resource is not available |
| -501019 | Cloud resource universal error: unauthorized operation |
| -501020 | Cloud resource universal error: unknown parameter error |
| -501021 | Cloud resource universal error: operation does not support |
| -502001 | Cloud resource database error: Database request failed |
| -502002 | Cloud resource database error: Illegal database instructions |
| -502003 | Cloud resource database error: No permission to operate the database |
| -502005 | Cloud resource database error: The collection does not exist |
| -502010 | Cloud resource database error: The operation failed |
| -502011 | Cloud resource database error: The operation timed out |
| -502012 | Cloud resource database error: Failed to insert |
| -502013 | Cloud resource database error: Failed to create collection |
| -502014 | Cloud resource database error: Failed to delete data |
| -502015 | Cloud resource database error: Query data failed |
| -503001 | Cloud resource file storage error: Cloud file request failed |
| -503002 | Cloud resource file storage error: No access to cloud files |
| -503003 | Cloud resource file storage error: The file does not exist |
| -503003 | Cloud resource file storage error: Illegal signature |
| -504001 | Cloud resource cloud function error: Cloud function call failed |
| -504002 | Cloud resource cloud function error: Cloud function execution failed |
| -601001 | WeChat background common error: system error |
| -601002 | WeChat background common error: system parameter error |
| -601003 | WeChat background common error: system network error |
| -604001 | WeChat background cloud function error: the return package size is more than 1M |
| -604100 | WeChat background cloud function error: API does not exist |
| -604101 | WeChat background cloud function error: No permission to call this API |
| -604102 | WeChat background cloud function error: Call timeout |
| -604103 | WeChat background cloud function error: Cloud call system error |
| -604104 | WeChat background cloud function error: illegal call source |
| -604101 | WeChat background cloud function error: Call system error |
| -605101 | WeChat background HTTP API error: Query statement resolution failed |
Additional instructions
Special error description: