JSON and YAML

[g74k2006]

Getting following errors when trying to upload createstack.json for Linux Academy Lab, any ideas ?

JSON: 3/5/2020, 2:00:03 PM - Cannot convert the template because of an error:: Unexpected token < in JSON at position 6

YAML: 3/5/2020, 2:06:41 PM - Cannot convert the template because of an error:: end of the stream or a document separator is expected at line 114, column 71: ... r-bar top-0 left-0" style="width: 0%;"> ^