JSON key starting with numeric value throwing error.

[clifrocks311]

Describe the bug

Getting this error when running:
JSONPath( $..returnDetails[0].rateOfReturn.1dCload (path),
rateOfReturn: {
'1dCload': 'string',
'1dCnoload': 'string',
'5dCLoad': 'string',
'5dCNoload': 'string',
'7dCLoad': 'string',
'7dCNoload': 'string',
'1mCLoad': 'string',
'1mCNoload': 'string',
'3mCLoad': 'string',
'3mCNoload': 'string',
'6mCLoad': 'string',
'6mCNoload': 'string',
'9mCLoad': 'string',
'1yCLoad': 'string',
'1yCNoload': 'string',
'2yALoad': 'string',
'2yANoload': 'string',
'2yCLoad': 'string',
'2yCNoload': 'string',
'3yALoad': 'string',
'3yANoload': 'string',
'3yCLoad': 'string',
'3yCNoload': 'string',
'4yALoad': 'string',
'4yANoload': 'string',
'4yCLoad': 'string',
'4yCNoload': 'string',
'5yALoad': 'string',
'5yANoload': 'string',
'5yCLoad': 'string',
'5yCNoload': 'string',
'6yALoad': 'string',
'6yANoload': 'string',
'6yCLoad': 'string',
'6yCNoload': 'string',
'7yALoad': 'string',
'7yANoload': 'string',
'7yCLoad': 'string',
'7yCNoload': 'string',
'8yALoad': 'string',
'8yANoload': 'string',
'8yCLoad': 'string',
'8yCNoload': 'string',
'9yALoad': 'string',
'9yANoload': 'string',
'9yCLoad': 'string',
ror_9yCNoload: 'string',
'10yALoad': 'string',
'10yANoload': 'string',
'10yCLoad': 'string',
'10yCNoload': 'string',
'15yALoad': 'string',
'15yANoload': 'string',
'15yCLoad': 'string',
'15yCNoload': 'string',
'20yALoad': 'string',
'20yANoload': 'string',
'20yCLoad': 'string',
'20yCNoload': 'string',
mtdCLoad: 'string',
mtdCNoload: 'string',
qtdCLoad: 'string',
qtdCNoload: 'string',
ytdCLoad: 'string',
ytdCNoload: 'string',
fytdIdxCLoad: 'string',
fytdIdxCNoload: 'string',
advIncpALoad: 'string',
advIncpANoload: 'string',
advIncpCLoad: 'string',
advIncpCNoload: 'string',
idxfIncpALoad: 'string',
idxfIncpANoload: 'string',
idxfIncpCLoad: 'string',
idxfIncpCNoload: 'string',
idxfNonsincpALoad: 'string',
idxfNonsincpANoload: 'string',
idxfNonsincpCLoad: 'string',
idxfNonsincpCNoload: 'string',
idxfSincpALoad: 'string',
idxfSincpANoload: 'string',
idxfSincpCLoad: 'string',
idxfSincpCNoload: 'string',
nonSincpALoad: 'string',
nonSincpANoload: 'string',
nonSincpCLoad: 'string',
nonSincpCNoload: 'string',
incpALoad: 'string',
incpANoload: 'string',
incpCLoad: 'string',
incpCNoload: 'string',
sincpALoad: 'string',
sincpNoload: 'string',
sincpCLoad: 'string',
sincpCNoload: 'string',
'6mtdCLoad': 'string',
'6mtdCNoload': 'string',
fytdCLoad: 'string',
fytdCNoload: 'string'
}
}

{
"errors": [
{
"message": "Parse error on line 1:\n...ls[0].rateOfReturn.1dCload\n-----------------------^\nExpecting 'DOT', 'DOT_DOT', '[', got 'IDENTIFIER'",
"name": "Error",
"stack": "Error: Parse error on line 1:\n...ls[0].rateOfReturn.1dCload\n-----------------------^\nExpecting 'DOT', 'DOT_DOT', '[', got 'IDENTIFIER'\n at Parser.parseError (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/jsonpath/generated/parser.js:166:15)\n at Parser.parser.yy.parseError (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/jsonpath/lib/parser.js:13:17)\n at Parser.parse (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/jsonpath/generated/parser.js:224:22)\n at JSONPath.nodes (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/jsonpath/lib/index.js:118:26)\n at JSONPath.apply (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/jsonpath/lib/index.js:36:20)\n at modifyResponsePayload (/Users/cxho3/Sandbox/service-virtualization-framework/lib/util/modifyGetResultset.js:949:20)\n at Object.selectFromDB (/Users/cxho3/Sandbox/service-virtualization-framework/lib/util/modifyGetResultset.js:1075:27)\n at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n at async virtualizeAPI (eval at (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/mountebank/src/models/responseResolver.js:63:34), :165:58)\n at async Object.resolve (/Users/cxho3/Sandbox/service-virtualization-framework/node_modules/mountebank/src/models/responseResolver.js:345:24)"
}
]
}

Code sample or steps to reproduce

// Code that reproduces problem here

Console error or logs

Expected behavior

expect [ 'string' ]

Expected result

[ 'string' ]

Environment (IMPORTANT)

"jsonpath-plus": "^10.0.4",

Desktop**

Mac
Node v22.9.0

Additional context