I'm trying to create a plugin, and there always an error like this:
Why that's happening? Can somebody help me?

Full Code:
"id": "$SeacPack.id001",
"type": "residential",
"level": 1,
"author": "Seac",
"width": 1,
"height": 1,
"frames": [
{"bmp": "image.png"}
],
"frames winter":[
{"bmp": "image.png"}
],
]