Exception while invoking method 'copyCard' TypeError: Cannot read property 'name' of undefined
    at models/cards.js:537:21
    at Array.map (<anonymous>)
    at Document.mapCustomFieldsToBoard (models/cards.js:533:30)
    at Document.copy (models/cards.js:579:32)
    at MethodInvocation.copyCard (models/cards.js:3089:24)
    at packages/check/match.js:118:15
    at packages/meteor.js:365:18
    at Meteor.EnvironmentVariable.EVp.withValue (packages/meteor.js:1389:31)
    at Object._failIfArgumentsAreNotAllChecked (packages/check/match.js:116:43)
    at maybeAuditArgumentChecks (packages/ddp-server/livedata_server.js:1935:18)
    at getCurrentMethodInvocationResult (packages/ddp-server/livedata_server.js:808:38)
    at packages/meteor.js:365:18
    at Meteor.EnvironmentVariable.EVp.withValue (packages/meteor.js:1389:31)
    at packages/ddp-server/livedata_server.js:827:46
    at new Promise (<anonymous>)
    at Session.method (packages/ddp-server/livedata_server.js:775:23)
    at packages/ddp-server/livedata_server.js:639:43