Eikon API could not work with Workspace

Workspace already start and run , but still show error , do I need to change any configure ?
2022-08-23 16:11:44,462 P[15312] [MainThread 19972] Error: no proxy address identified.
Check if Eikon Desktop or Eikon API Proxy is running.
2022-08-23 16:11:44,471 P[15312] [MainThread 19972] Port number was not identified, cannot send any request
2022-08-23 16:11:44,473 P[15312] [MainThread 19972] Port number was not identified.
Check if Eikon Desktop or Eikon API Proxy is running.
Best Answer
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You can check the node-sxs.<date>.p<pid>.log in the Refinitiv Workspace Logs folder.
My log file is in the C:\Users\U8009686\AppData\Local\Refinitiv\Refinitiv Workspace Logs\Desktop.20220823.101359.p25880 directory.
The content looks like this:
...
2022-08-23T10:17:50.920Z|info|[console](api) [WebSocketProxyServersProviderImpl]Creating new WebSocket server instance
2022-08-23T10:17:50.920Z|info|[console](api) [WebSocketProxyServersProviderImpl]Creating new WebSocket server instance
2022-08-23T10:17:50.921Z|info|[console](api) [WebSocketProxyServersProviderImpl]Creating new WebSocket server instance
2022-08-23T10:17:50.922Z|info|[console](api-svc) Processing socket
2022-08-23T10:17:50.922Z|info|[console](app) User's POs pos=SIDEBYSIDE,APIPROXY
2022-08-23T10:17:50.947Z|warn|[console](api) [SecurityTokenHandlerMiddlewareOptionalDecorator]An error occured while checking security token but security token is not mandatory, calling next middleware anyway ...
2022-08-23T10:17:50.948Z|info|[console](api) [LogRequestDetailMiddleware][Request #b276899f-77f4-452d-9e3b-1db6a4ad7c36] New incoming GET request
2022-08-23T10:17:50.965Z|info|[console](api) [LogRequestDetailMiddleware][Request #d72232da-3c67-4627-8c4d-240b56200fca] New incoming POST request
2022-08-23T10:17:50.970Z|info|[console](api) Write port file
2022-08-23T10:17:50.970Z|info|[console](app) API Proxy is listening to port: 9001
...This indicates that it supports SIDEBYSIDE and APIPROXY. The listening port is 9001. Therefore, you can test the connection to this TCP port by using a web browser to access the following URLs.
http://127.0.0.1:9001/ping?all
http://127.0.0.1:9001/api/status
0
Answers
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confirm workspace already run at same machine
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@Jirapongse Thanks for your help
I check my workspace log and found below error message
After check all your suggestion steps and when I start Workspace and open 1 training python program today , it works !!! But I still not understand what is the root cause !! I had also check today's Log , it is same as yesterday !!
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To verify the problem, we need to check:
1. Eikon Data API log by setting ek.set_log_level(1)
2. The Eikon or workspace log
3. Eikon Data API endpoints:
Eikon Data API may not be able to find the TCP port used by the API proxy.
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