1# HiCollie 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## 29800001 Failed to Obtain the System Service 8 9**Error Message** 10 11Wrong thread context.The function can not be called from main thread. 12 13**Description** 14The API fails to be called from the thread. 15 16**Possible Causes** 17 18The API cannot be called from the main thread. 19 20**Solution** 21 22Call the API from a non-main thread. 23 24## 29800002 Failed to Call the Remote API 25 26**Error Message** 27 28Remote call failed. 29 30**Description** 31The API fails to be called for the remote service. 32 33**Possible Causes** 34 35The service is not started or crashes. 36