Error -11 when connecting to nRF Cloud

Question

Hi 
 I'm just starting out to test the nRF9160 DK board and have just flashed the NB-IoT Asset Tracker as per the introductory video uploaded by Nordic here: 
 https://www.youtube.com/watch?v=rMvW3HXLErk&t=583s 
 
 However, I'm running into an issue with [0m<inf> app_event_manager: CLOUD_EVT_CONNECTION_TIMEOUT when setting things up. As the iBasis SIM card doesn't seem to work in my area, I have utilised by own sim card from WirelessLogic, and have confirmed with them that there is sufficient data left in the sim card. 
 
 Any help is very much appreciated, thanks!

Tester013 · Accepted Answer

Hmm..that's indeed odd, as supposedly, my SIM card should be operating on the NB-IoT network but I suppose that LTE-M works as well? 
 In any case, thank you very much for your time but I seem to have resolved the issue. In the end, there was apparently some error regarding the certificate of the device, so issuing a new one from the nRF Cloud portal and flashing it onto the board enabled me to connect to the nRF Cloud with no issues.

Error -11 when connecting to nRF Cloud

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