Cannot save plunks or fork them

[gophynna]

I keep getting a save failed error when trying to save my plunks. This is the payload

Request URL: http://api.plnkr.co/plunks/8cJB7amSB3dTIIDWUX1s?sessid=5b19364dad3c61000afb24b1
Referrer Policy: no-referrer-when-downgrade
Provisional headers are shown
Accept: application/json, text/plain, /
Content-Type: application/json;charset=UTF-8
Origin: http://api.plnkr.co
Referer: http://api.plnkr.co/proxy.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
X-Requested-With: XMLHttpRequest
sessid: 5b19364dad3c61000afb24b1
{"files":{"script.js":{"content":"angular.module('app', []);\n\nangular.module('app').controller('mainCtrl', function($scope) {\n $scope.user1 = {\n name: 'Luke Skywalker',\n address: {\n street: 'PO Box 123',\n city: 'Secret Rebel Base',\n planet: 'Yavin 4'\n },\n friends: [\n 'Han',\n 'Leia',\n 'Chewbacca'\n ],\n level: 0\n }\n $scope.user2 = {\n name: 'Han Solo',\n address: {\n street: 'PO Box 123',\n city: 'Mos Eisley',\n planet: 'Tattoine'\n },\n friends: [\n 'Han',\n 'Leia',\n 'Chewbacca'\n ],\n level: 1\n }\n \n});\n\nangular.module('app').directive('stateDisplay', function() {\n return {\n link: function(scope, el, attrs) {\n var parms = attrs['stateDisplay'].split(' ');\n var linkVar = parms[0];\n var classes = parms.slice(1);\n \n scope.$watch(linkVar, function(newVal) {\n el.removeClass(classes.join(' '));\n el.addClass(classes[newVal]);\n });\n }\n }\n})\n\nangular.module('app').directive('userInfoCard', function() {\n return {\n templateUrl: "userInfoCard.html",\n restrict: "E",\n scope: {\n user: '=',\n initialCollapsed: '@Collapsed'\n },\n controllerAs: 'vm',\n controller: function($scope) {\n $scope.collapsed = ($scope.initialCollapsed === 'true');\n $scope.nextState = function() {\n $scope.user.level++;\n $scope.user.level = $scope.user.level % 4;\n }\n $scope.knightMe = function(user) {\n user.rank = "knight";\n }\n $scope.collapse = function() {\n $scope.collapsed = !$scope.collapsed;\n }\n \n $scope.removeFriend = function(friend) {\n var idx = $scope.user.friends.indexOf(friend);\n if(idx > -1) {\n $scope.user.friends.splice(idx, 1);\n }\n }\n }\n }\n});\n\nangular.module('app').directive('removeFriend', function() {\n return {\n restrict: 'E',\n templateUrl: 'removeFriend.html',\n scope: {\n notifyParent: '&method'\n },\n controller: function($scope) {\n $scope.removing = false;\n $scope.startRemove = function() {\n $scope.removing = true;\n }\n $scope.cancelRemove = function() {\n $scope.removing = false;\n }\n $scope.confirmRemove = function() {\n $scope.notifyParent();\n }\n \n }\n }\n})\n\nangular.module('app').directive('address', function() {\n return {\n restrict: 'E',\n scope: true,\n templateUrl: 'address.html',\n controller: function($scope) {\n $scope.collapsed = false;\n $scope.collapseAddress = function() {\n $scope.collapsed = true;\n }\n $scope.expandAddress = function() {\n $scope.collapsed = false;\n }\n }\n }\n})\n"}}}

and here is what I see in the console.

Event tracked Plunk Save Toolbar undefined undefined
api.plnkr.co/plunks/8cJB7amSB3dTIIDWUX1s?sessid=5b19364dad3c61000afb24b1:1 Failed to load resource: net::ERR_CONNECTION_RESET
editor-1.10.1.js:2 Event tracked Plunk Save Toolbar undefined undefined
api.plnkr.co/plunks/8cJB7amSB3dTIIDWUX1s/forks?api=1&sessid=5b19364dad3c61000afb24b1:1 Failed to load resource: net::ERR_CONNECTION_RESET
api.plnkr.co/plunks/8cJB7amSB3dTIIDWUX1s?sessid=5b19364dad3c61000afb24b1:1 Failed to load resource: net::ERR_CONNECTION_RESET
editor-1.10.1.js:2 Event tracked Plunk Fork Toolbar undefined undefined
api.plnkr.co/plunks/8cJB7amSB3dTIIDWUX1s/forks?api=1&sessid=5b19364dad3c61000afb24b1:1 Failed to load resource: net::ERR_CONNECTION_RESET
editor-1.10.1.js:2 Event tracked Plunk Save Toolbar undefined undefined
editor-1.10.1.js:7 AUTH Object
editor-1.10.1.js:2 Event tracked Plunk Fork Toolbar undefined undefined
api.plnkr.co/plunks/8cJB7amSB3dTIIDWUX1s?sessid=5b19364dad3c61000afb24b1:1 Failed to load resource: net::ERR_CONNECTION_RESET
style.css:1 Failed to load resource: the server responded with a status of 500 (Internal Server Error)