PANIC: Unknown AVD name [Nexus_S_API_24], use -list-avds to see valid list. ANDROID_SDK_HOME is defined but could not find Nexus_S_API_24.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 $HOME/.android/avd)
This is the error I get, I have set the Android Home variables like this in the bashrc:
export ANDROID_HOME=/home/myname/Android/Sdk
export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools
export ANDROID_AVD_HOME=/home/myname/.android/avd
export ANDROID_SDK_HOME=/home/myname/Android/Sdk