> node test.js
/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:171
throw generateError(state, message);
^
YAMLException: unknown tag !<!ImportValue> at line 31, column 1:
^
at generateError (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:165:10)
at throwError (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:171:9)
at composeNode (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1401:7)
at readBlockMapping (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1062:11)
at composeNode (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1332:12)
at readBlockMapping (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1062:11)
at composeNode (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1332:12)
at readBlockMapping (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1062:11)
at composeNode (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1332:12)
at readDocument (/srv/app/node_modules/js-yaml/lib/js-yaml/loader.js:1492:3)