Typescript 3: Cannot read property 'getName' of undefined

[Crusader4Christ]

...node_modules/readts/dist/TypeSpec.js:38
if (type.target.symbol.getName() == 'Array' && type.typeArguments) {
^

TypeError: Cannot read property 'getName' of undefined
at TypeSpec.parseReference (...node_modules/readts/dist/TypeSpec.js:38:32)
at new TypeSpec (...node_modules/readts/dist/TypeSpec.js:17:18)
at TypeSpec.parseReference (...node_modules/readts/dist/TypeSpec.js:39:28)
at new TypeSpec (...node_modules/readts/dist/TypeSpec.js:17:18)
at ...node_modules/readts/dist/TypeSpec.js:48:55
at Array.map ()
at TypeSpec.parseList (...node_modules/readts/dist/TypeSpec.js:48:26)
at new TypeSpec (...node_modules/readts/dist/TypeSpec.js:25:33)
at Parser.parseType (...node_modules/readts/dist/Parser.js:72:20)
at Parser.parseIdentifier (...node_modules/readts/dist/Parser.js:197:60)