I just started the Home Automation Course and the ESP8266 is unknown

Everything installed correctly  The Node MCU 1.0 (ESP-12E Module) shows up in the sketch. I’m using windows 7 and Arduino 1.8.9

C:\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Arduino\hardware -hardware C:\Users\Paul\AppData\Local\Arduino15\packages -tools C:\Arduino\tools-builder -tools C:\Arduino\hardware\tools\avr -tools C:\Users\Paul\AppData\Local\Arduino15\packages -built-in-libraries C:\Arduino\libraries -libraries C:\Users\Paul\Documents\Arduino\libraries -fqbn=esp8266:esp8266:nodemcuv2:xtal=80,vt=flash,exception=disabled,eesz=4M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=115200 -ide-version=10809 -build-path C:\Users\Paul\AppData\Local\Temp\arduino_build_262317 -warnings=none -build-cache C:\Users\Paul\AppData\Local\Temp\arduino_cache_176664 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.esptool.path=C:\Users\Paul\AppData\Local\Arduino15\packages\esp8266\tools\esptool\2.5.0-3-20ed2b9 -prefs=runtime.tools.esptool-2.5.0-3-20ed2b9.path=C:\Users\Paul\AppData\Local\Arduino15\packages\esp8266\tools\esptool\2.5.0-3-20ed2b9 -prefs=runtime.tools.mkspiffs.path=C:\Users\Paul\AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\2.5.0-3-20ed2b9 -prefs=runtime.tools.mkspiffs-2.5.0-3-20ed2b9.path=C:\Users\Paul\AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\2.5.0-3-20ed2b9 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\Paul\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9 -prefs=runtime.tools.xtensa-lx106-elf-gcc-2.5.0-3-20ed2b9.path=C:\Users\Paul\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\2.5.0-3-20ed2b9 -verbose C:\Users\Paul\AppData\Local\Temp\untitled1330377000.tmp\sketch_mar10a\sketch_mar10a.ino
Board nodemcuv2 (platform esp8266, package esp8266) is unknown
Error compiling for board NodeMCU 1.0 (ESP-12E Module).