Getting extra dot "." in serialised json string

[mudgalp]

JSON Output: {
."date&time":."2024-11-29T10:10:54",
."imei":."865006046730264",
."lat":."12.905797",
."lon":."77.621657",
."speed":."0.0000",
."signal":."19",
."battery":."75",
."strg":."0"
}

I'm getting this string output when I'm trying to use cJSON.
an extra dot (.) is coming with key and value both parameters.
can anyone help??

[mbratch]

Can you please show your code (the calls to cJSON library in context) that is creating this?