Hello error comes on server

<br /> <b>Warning</b>: Invalid argument supplied for foreach() in <b>/home/viamoro/weather/wetter2.com/weather/rests/publicWeatherForLocation.php</b> on line <b>161</b><br /> <br /> <b>Warning</b>: Cannot modify header information – headers already sent by (output started at /home/viamoro/weather/wetter2.com/weather/rests/publicWeatherForLocation.php:161) in <b>/home/viamoro/weather/wetter2.com/weather/rests/publicWeatherForLocation.php</b> on line <b>141</b><br /> {“status”:200,”status_message”:”Berlin,Germany”,”icon”:””,”temp”:null,”sunrise”:null,”sunset”:null,”description”:null,”windspeedKmph”:null,”humidity”:null,”chanceofrain”:null,”days”:[],”deepLink”:”https:\/\/www.wetter2.com\/europe\/germany\/berlin”}