Fix version to 14.6.2
"@angular/core": "6.1.2",
"@angular/http": "6.1.2",
"@angular/platform-browser": "6.1.2",
+ "@types/node": "14.6.2",
"core-js": "2.5.7",
"reflect-metadata": "0.1.12",
"rollup": "0.64.1",
