Description:

Some users are attempting to open a user profile for username "George S." in our common chat room. However, they are receiving a red background popup "Undefined".

Steps to reproduce:

1. Click the username in chat room.
2. Click the icon for "Ignore" function.

Expected behavior:

The user would be ignored, for the user who selected that option.

Actual behavior:

Server Setup Information:

• Version of Rocket.Chat Server: 3.5.2
• Operating System: Ubuntu 18.04.3 (LTS) x64
• Deployment Method: SNAP
• Number of Running Instances: 1
• DB Replicaset Oplog:
• NodeJS Version: v12.16.1
• MongoDB Version: 3.6.14

Client Setup Information

• Desktop App or Browser Version: Desktop Chrome 84.0.4147.125
• Operating System: Max OSX 10.14.6 Mojave

Additional context

I'm guessing there is an issue when usernames have a space in them, as opposed to no space? Just a guess. But I have not tested that theory yet.

Relevant logs:

I20200823-16:53:52.588(0) Exception while invoking method ignoreUser Error: Match error: Expected string, got undefined at check (packages/check/match.js:36:17) at MethodInvocation.ignoreUser (server/methods/ignoreUser.js:8:3) at MethodInvocation.methodsMap. (app/lib/server/lib/debug.js:67:34) at maybeAuditArgumentChecks (packages/ddp-server/livedata_server.js:1771:12) at packages/ddp-server/livedata_server.js:1689:15 at Meteor.EnvironmentVariable.EVp.withValue (packages/meteor.js:1234:12) at packages/ddp-server/livedata_server.js:1687:36 at new Promise () at Server.applyAsync (packages/ddp-server/livedata_server.js:1686:12) at Server.apply (packages/ddp-server/livedata_server.js:1625:26) at Server.call (packages/ddp-server/livedata_server.js:1607:17) at Object.post (app/api/server/v1/misc.js:262:26) at app/api/server/api.js:388:82 at Meteor.EnvironmentVariable.EVp.withValue (packages/meteor.js:1234:12) at Object._internalRouteActionHandler [as action] (app/api/server/api.js:388:39) at Route.share.Route.Route._callEndpoint (packages/nimble_restivus/lib/route.coffee:150:32) at packages/nimble_restivus/lib/route.coffee:59:33 at packages/simple_json-routes.js:98:9 => awaited here: at Promise.await (/snap/rocketchat-server/1440/programs/server/npm/node_modules/meteor/promise/node_modules/meteor-promise/promise_server.js:60:12) at Server.apply (packages/ddp-server/livedata_server.js:1638:22) at Server.call (packages/ddp-server/livedata_server.js:1607:17) at Object.post (app/api/server/v1/misc.js:262:26) at app/api/server/api.js:388:82 at Meteor.EnvironmentVariable.EVp.withValue (packages/meteor.js:1234:12) at Object._internalRouteActionHandler [as action] (app/api/server/api.js:388:39) at Route.share.Route.Route._callEndpoint (packages/nimble_restivus/lib/route.coffee:150:32) at packages/nimble_restivus/lib/route.coffee:59:33 at packages/simple_json-routes.js:98:9