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 26 27**Error Message** 28 29Uri error. The uri of router is 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. The pages are pushed too much. 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## 200002 Incorrect URI 62 63**Error Message** 64 65Uri error. The uri of router is not exist. 66 67**Description** 68 69This error code is reported when the URI of the page to be used for replacement is incorrect or does not exist. 70 71**Possible Causes** 72 73The entered URI is incorrect or does not exist. 74 75**Solution** 76 77Ensure that the URI is correct. 78