Unexpected Application Error!

t.entries is not a function or its return value is not iterable

TypeError: t.entries is not a function or its return value is not iterable
    at https://dmtgy0px4zdqn.cloudfront.net/93c31fc7c85246c40965f068a056a3b2bb8eaf3c.js?meteor_js_resource=true&_g_app_v_=348:92:19563
    at iT (https://dmtgy0px4zdqn.cloudfront.net/93c31fc7c85246c40965f068a056a3b2bb8eaf3c.js?meteor_js_resource=true&_g_app_v_=348:43:84075)
    at lH (https://dmtgy0px4zdqn.cloudfront.net/93c31fc7c85246c40965f068a056a3b2bb8eaf3c.js?meteor_js_resource=true&_g_app_v_=348:43:113121)
    at l (https://dmtgy0px4zdqn.cloudfront.net/93c31fc7c85246c40965f068a056a3b2bb8eaf3c.js?meteor_js_resource=true&_g_app_v_=348:43:107675)
    at x (https://dmtgy0px4zdqn.cloudfront.net/93c31fc7c85246c40965f068a056a3b2bb8eaf3c.js?meteor_js_resource=true&_g_app_v_=348:51:1377)
    at MessagePort._ (https://dmtgy0px4zdqn.cloudfront.net/93c31fc7c85246c40965f068a056a3b2bb8eaf3c.js?meteor_js_resource=true&_g_app_v_=348:51:1907)