Is there any means to detect if "esp_event_loop_create_default()" was already called before? Or do I have to keep track of that call on my own?

Thanks in advance
Mike

Adding environment variable IDF_MAINTAINER (set to '1') - as suggested in the above shown error message - fixed it!

same problem here :/

Have installed esp-idf and tools w/ offline installer and admin rights on windows. When I try to build the blink sample with a normal (non-admin) windows user via powershell, the build fails. Project files reside in user's documents folder; user has full access privileges to esp-idf & tools folders ...