Error: peg$SyntaxError: Expected Character but “&” Found While Parsing SVG Path Data in JavaScript

I am working with an SVG file and converting it to JSON using svgson library. Additionally, I am using the svg-path-to-polygons library to decode the d attribute in the path element. However, I am encountering the following error:

peg$SyntaxError: Expected ",", ".", [ tnr], [+-], [0-9], [Aa], [Cc], [Hh], [Ll], [Mm], [Qq], [Ss], [Tt], [Vv], [Zz], [eE], or end of input but "&" found.

Here is a snippet of the SVG JSON data I am working with:

{
    "name": "g",
    "type": "element",
    "value": "",
    "attributes": {
        "id": "nopointer-base"
    },
    "children": [
        {
            "name": "path",
            "type": "element",
            "value": "",
            "attributes": {
                "fill": "#F2F2F2",
                "d": "M1737.5,678.8h-811c-11,0-20,9-20,20V1138h-137v291.5h184.1v245H1117v265.1h232.9l68.6-65.9l0.1-780.4
ttth75.9V932.5h232.4l30.6-31.8V698.8C1757.5,687.7,1748.5,678.8,1737.5,678.8z"
            },
            "children": []
        }
    ]
}

Environment:

• Libraries: svgson, svg-path-to-polygons

Steps to Reproduce:

1. Parse the SVG file to JSON using svgson.
2. Attempt to decode the d attribute using svg-path-to-polygons.

Expected Behavior:
The d attribute should be decoded without syntax errors.

Actual Behavior:
The following error is thrown: peg$SyntaxError: Expected ",", ".", [ tnr], [+-], [0-9], [Aa], [Cc], [Hh], [Ll], [Mm], [Qq], [Ss], [Tt], [Vv], [Zz], [eE], or end of input but "&" found.

Question:
How can I resolve this syntax error? Is there an issue with the format of the d attribute string, or is there something I am missing in the usage of the svgson or svg-path-to-polygons libraries?

Any help or guidance would be appreciated.