Could not import project

[mcaycho]

PIO Core Call Error: "The current working directory C:\Users\Marco\Documents\PlatformIO\Projects\200823-153820-arduino-blink will be used for the project.\n\r\nThe next files/directories have been created in C:\Users\Marco\Documents\PlatformIO\Projects\200823-153820-arduino-blink\ninclude - Put project header files here\nlib - Put here project specific (private) libraries\nsrc - Put project source files here\nplatformio.ini - Project Configuration File\n\n\nError: Development platform 'atmelavr' is not compatible with PlatformIO Core v4.4.0-b.1 and depends on PlatformIO Core ^3.0.0."

[ivankravets]

Please open PIO Cli and type pio upgrade --dev. It should work now.