Could not initialize project

[arjepsen]

PIO Core Call Error: "The following files/directories have been created in C:\Users\Anders\Documents\PlatformIO\Projects\KamstrupTester\r\ninclude - Put project header files here\r\nlib - Put project specific (private) libraries here\r\nsrc - Put project source files here\r\nplatformio.ini - Project Configuration File\r\nResolving m5stack-core-esp32-16M dependencies...\r\n\n\nUnknownBoard: Unknown board ID 'm5stack-core-esp32-16M'"