how to fix this "xtensa-esp32-elf-gcc: error: CreateProcess:"

Board - DOIT ESP DEVKIT DEV KIT V1
Arduino version :- 1.8.9

When i compile the simple blink code in esp32 , i was getting "xtensa-esp32-elf-gcc: error: CreateProcess: No such file or directory" error.
How to solve this error?