1# Certificate Management Error Codes 2 3<!--Kit: Device Certificate Kit--> 4<!--Subsystem: Security--> 5<!--Owner: @chaceli--> 6<!--Designer: @chande--> 7<!--Tester: @zhangzhi1995--> 8<!--Adviser: @zengyawen--> 9 10> **NOTE** 11> 12> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 13 14## 17500001 Internal Error 15 16**Error Message** 17 18Internal error. Possible causes: 1. IPC communication failed; 2. Memory operation error; 3. File operation error. 19 20**Possible Causes** 21 22An internal error occurs when the API is called. 23 24**Solution** 25 26Check for and rectify the internal error. 27 28## 17500002 Certificate Not Exist 29 30**Error Message** 31 32The certificate does not exist. 33 34**Possible Causes** 35 36The certificate does not exist during certificate management. 37 38**Solution** 39 40Check whether the certificate exists. 41 42## 17500003 Invalid Certificate or Credential 43 44**Error Message** 45 46The keystore is in an invalid format or the keystore password is incorrect. 47 48**Possible Causes** 49 50The input certificate or credential is invalid. 51 52**Solution** 53 54Check that the certificate or credential is valid. 55 56## 17500004 The Number of Certificates or Credentials Reaches the Limit 57 58**Error Message** 59 60The number of certificates or credentials reaches the maximum allowed. 61 62**Possible Causes** 63 64The number of installed certificates or credentials has reached the maximum. 65 66**Solution** 67 68Clear expired certificates or credentials. 69 70## 17500005 Application Not Authorized 71 72**Error Message** 73 74The application is not authorized by the user. 75 76**Possible Causes** 77 78The user has not authorized the application to use the specified credential. 79 80**Solution** 81 82Check that the credential is correct, and authorize the application to use the credential. 83 84## 17500007 Device in Advanced Security Mode 85 86**Error Message** 87 88The device enters advanced security mode. 89 90**Possible Causes** 91 92The user has enabled the advanced security mode. 93 94**Solution** 95 96Guide the user to disable the advanced security mode on the application UI. 97 98## 17500009 Specified Certificate Storage Path Not Supported 99 100**Error Message** 101 102The device does not support the specified certificate store path. 103 104**Possible Causes** 105 106The device does not support the specified certificate storage path. 107 108**Solution** 109 110Check whether the entered certificate type is correct. 111