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/bf180eb5397d2229632e36cbfd25247dbb07c866.js?meteor_js_resource=true&_g_app_v_=346:92:19563
    at iT (https://dmtgy0px4zdqn.cloudfront.net/bf180eb5397d2229632e36cbfd25247dbb07c866.js?meteor_js_resource=true&_g_app_v_=346:43:84075)
    at lH (https://dmtgy0px4zdqn.cloudfront.net/bf180eb5397d2229632e36cbfd25247dbb07c866.js?meteor_js_resource=true&_g_app_v_=346:43:113121)
    at l (https://dmtgy0px4zdqn.cloudfront.net/bf180eb5397d2229632e36cbfd25247dbb07c866.js?meteor_js_resource=true&_g_app_v_=346:43:107675)
    at b (https://dmtgy0px4zdqn.cloudfront.net/bf180eb5397d2229632e36cbfd25247dbb07c866.js?meteor_js_resource=true&_g_app_v_=346:51:1377)
    at MessagePort._ (https://dmtgy0px4zdqn.cloudfront.net/bf180eb5397d2229632e36cbfd25247dbb07c866.js?meteor_js_resource=true&_g_app_v_=346:51:1907)