When calling APIs, you may receive correct or incorrect return codes. Enterprise applications can refer to these return codes for troubleshooting.

Global return codes are explained as follows:

Code	Description
-2	System error
-1	System busy
0	Request successful
10001	Missing parameter: appId
10002	Missing parameter: appSecret
10003	Missing parameter: appAccessToken
10004	Missing parameter: redirectUri
10005	Missing parameter: responseType
10006	Missing parameter: scope
10007	Missing parameter: state
10008	Missing parameter: code
10009	Missing parameter: appAccount
10010	Missing parameter: openUserId
10012	Missing parameter: permanentCode
10013	Missing parameter: corpAccessToken
10014	Missing parameter: corpId
10015	Missing parameter: toUser
11001	Invalid parameter: appId
11002	Invalid parameter: appSecret
11003	Invalid parameter: appAccessToken
11004	Invalid parameter: redirectUri
11005	Invalid parameter: responseType
11006	Invalid parameter: scope
11007	Invalid parameter: state
11008	Invalid parameter: openUserId
11009	Invalid parameter: departmentId
11010	Invalid parameter: code
11011	Invalid parameter: appAccount
11013	Invalid parameter: permanentCode
11014	Invalid parameter: corpAccessToken
11015	Invalid parameter: corpId
11016	Invalid parameter: toUser
11017	Invalid parameter: msgType
11018	Invalid parameter: templateId
12002	Login status error
12003	Unsupported message type
12004	Empty POST data packet
12005	Empty text message content
14001	API call limit exceeded
15002	Invalid parameter
15003	APP has no access permission
20005	accessToken does not exist or has expired
20006	Incorrect appId or appSecret
20010	CODE does not exist or has expired
20012	openUserId not found
20014	App has no permission to access this employee's data
20015	Permanent authorization code error
20016	corpAccessToken does not exist or has expired
20017	corpId not found
20020	App has no permission to access this enterprise's data
20021	The app is disabled in the current enterprise
20022	The enterprise has not authorized this app
20023	APP has no permission to access department
30002	Daily access frequency limit exceeded (resets at 00:00)
30003	Customer hasn't purchased openapi quota - needs to place an open api order
30004	Second-level frequency limit exceeded
30007	Department does not exist
30027	Employee does not exist
32000	Parameter error
40010	Invalid templateId
50009	Service exception (e.g., timeout)