SUHV Error found

curl error: 502
#0 /home/uhcdietl/public_html/jets.ch/content/themes/jets/inc/suhv/suhv_lib.php(1159): SuhvApiManager->loadCurl('clubs/search?q=...', Array)
#1 /home/uhcdietl/public_html/jets.ch/content/themes/jets/inc/suhv/suhv_lib.php(422): SuhvApiManager->searchClubs('Kloten-Dietliko...')
#2 /home/uhcdietl/public_html/jets.ch/content/themes/jets/inc/suhv/suhv_lib.php(242): SuhvClub::getClubIdByName('Kloten-Dietliko...')
#3 /home/uhcdietl/public_html/jets.ch/content/themes/jets/inc/suhv/suhv-library.php(10): SuhvClub->__construct()
#4 /home/uhcdietl/public_html/jets.ch/content/themes/jets/functions.php(7): include_once('/home/uhcdietl/...')
#5 /home/uhcdietl/public_html/jets.ch/app/wp-settings.php(479): include('/home/uhcdietl/...')
#6 /home/uhcdietl/public_html/jets.ch/wp-config.php(123): require_once('/home/uhcdietl/...')
#7 /home/uhcdietl/public_html/jets.ch/app/wp-load.php(42): require_once('/home/uhcdietl/...')
#8 /home/uhcdietl/public_html/jets.ch/app/wp-blog-header.php(13): require_once('/home/uhcdietl/...')
#9 /home/uhcdietl/public_html/jets.ch/index.php(18): require('/home/uhcdietl/...')
#10 {main}