Android Build a Simple Android App Getting Started with Android Running the Fun Facts Project

Error during setting up vd

Cannot launch AVD in emulator. Output: PANIC: Unknown AVD name [Nexus_6_API_23], use -list-avds to see valid list. ANDROID_SDK_HOME is defined but could not find Nexus_6_API_23.ini file in $ANDROID_SDK_HOME.android\avd (Note: avd is searched in the order of $ANDROID_AVD_HOME,$ANDROID_SDK_HOME.android\avd and $HOME.android\avd)

THIS IS THE ERROR I AM GETTING AFTER EXACTLY FOLLOWING YOUR STEP BY STEP GUIDE OF SETTING THE VIRTUAL DEVICE