1# Router Error Codes 2 3> **NOTE** 4> 5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 6 7## 100001 Internal Error 8 9**Error Message** 10 11Internal error. 12 13**Description** 14 15This error code is reported when an internal error that cannot be rectified by developers occurs. The internal error type is included in the error information. 16 17**Possible Causes** 18 19The operation for obtaining the rendering engine or parsing parameters fails. 20 21**Solution** 22 23NA 24 25## 100002 Incorrect URI During Page Redirection 26 27**Error Message** 28 29Uri error. The URI of the page to redirect is incorrect or does not exist 30 31**Description** 32 33This error code is reported when the URI of the page to redirect is incorrect or does not exist. 34 35**Possible Causes** 36 37The entered URI is incorrect or does not exist. 38 39**Solution** 40 41Ensure that the URI is correct. 42 43## 100003 Too Many Pages Are Pushed into the Page Stack 44 45**Error Message** 46 47Page stack error. Too many pages are pushed. 48 49**Description** 50 51This error code is reported when more than 32 pages are pushed into the page stack. 52 53**Possible Causes** 54 55Too many pages are pushed. 56 57**Solution** 58 59Delete unnecessary or invalid pages. 60 61## 100004 Incorrect Route Name 62 63**Error Message** 64 65Named route error. The named route does not exist. 66 67**Description** 68 69This error code is reported when the specified route name for redirection is incorrect or does not exist. 70 71**Possible Causes** 72 73The specified route name for redirection is incorrect or does not exist. 74 75## 100005 Builder Function Not Registered 76 77**Error Message** 78 79Builder function not registered. 80 81**Description** 82 83This error code is reported when the builder function for creating the navigation destination page is not registered. 84 85**Possible Causes** 86 87The builder function for creating the **NavDestination** component is not registered at the time of navigation. 88 89**Solution** 90 91Make sure the builder function for creating the **NavDestiantion** component is registered. 92 93## 100006 NavDestination Not Found 94 95**Error Message** 96 97NavDestination not found. 98 99**Description** 100 101This error code is reported when no **NavDestiantion** component is found for the target page of navigation. 102 103**Possible Causes** 104 105The **NavDestiantion** component is unavailable for the target page of navigation. 106 107**Solution** 108 109Make sure there is a **NavDestiantion** component for the target page of navigation. 110 111## 200002 Incorrect URI During Page Replacement 112 113**Error Message** 114 115Uri error. The URI of the page to be used for replacement is incorrect or does not exist. 116 117**Description** 118 119This error code is reported when the URI of the page to be used for replacement is incorrect or does not exist. 120 121**Possible Causes** 122 123The entered URI is incorrect or does not exist. 124 125**Solution** 126 127Ensure that the URI is correct. 128 129## 300001 HSP Download Failure Before Redirection 130 131**Error Message** 132 133hsp silent install fail. 134 135**Description** 136 137This error code is reported when the download of the HSP, which contains the target navigation page, fails before the navigation can occur. 138 139**Possible Causes** 140 141The target HSP to be downloaded does not exist. 142 143**Solution** 144 145Verify that the HSP for the target navigation page actually exists. Make sure the value of **moduleName** passed in is correct. 146