Am trying to fetch FCM key from firebase but getting fcm key nil & error i mention above
Google Plist File
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CLIENT_ID</key>
<string>836092823410-d76r5bkjrusfmgo6rskqo81l4mk7vmp4.apps.googleusercontent.com</string>
<key>REVERSED_CLIENT_ID</key>
<string>com.googleusercontent.apps.836092823410-d76r5bkjrusfmgo6rskqo81l4mk7vmp4</string>
<key>API_KEY</key>
<string>AIzaSyDpP1n_NRqj9c_Mq-pA2PlRez7AnVM5buw</string>
<key>GCM_SENDER_ID</key>
<string>836092823410</string>
<key>PLIST_VERSION</key>
<string>1</string>
<key>BUNDLE_ID</key>
<string>com.iai.tracker</string>
<key>PROJECT_ID</key>
<string>crucial-audio-334611</string>
<key>STORAGE_BUCKET</key>
<string>crucial-audio-334611.appspot.com</string>
<key>IS_ADS_ENABLED</key>
<false/>
<key>IS_ANALYTICS_ENABLED</key>
<false/>
<key>IS_APPINVITE_ENABLED</key>
<true/>
<key>IS_GCM_ENABLED</key>
<true/>
<key>IS_SIGNIN_ENABLED</key>
<true/>
<key>GOOGLE_APP_ID</key>
<string>1:836092823410:ios:0312dc35c45b23b9e37feb</string>
</dict>
</plist>