Staging Citation page: "Notify Me of Updates" button is not loading

[pdcp1]

Important note: In Production is working fine ✅

In Staging and any Preview link, the Notify Me of Updates button is not loading and is showing a GraphQL error.

Additional information

GraphQL query:

{
    "operationName": "FindUserSubscriptions",
    "variables": {
        "filter": {
            "userId": {
                "EQ": "673c95388261248b43b76e1c"
            },
            "incident_id": {
                "EQ": 808
            }
        }
    },
    "query": "query FindUserSubscriptions($filter: SubscriptionFilterType!) {\n  subscriptions(filter: $filter) {\n    _id\n    incident_id {\n      incident_id\n      title\n      __typename\n    }\n    entityId {\n      entity_id\n      name\n      __typename\n    }\n    userId {\n      userId\n      __typename\n    }\n    type\n    __typename\n  }\n}"
}

Response:

{
    "errors": [
        {
            "message": "Not Authorised!",
            "path": [
                "subscriptions"
            ],
            "extensions": {
                "code": "INTERNAL_SERVER_ERROR",
                "stacktrace": [
                    "Error: Not Authorised!",
                    "    at normalizeOptions (/var/task/site/gatsby-site/netlify/functions/graphql.js:129014:32)",
                    "    at shield (/var/task/site/gatsby-site/netlify/functions/graphql.js:129019:29)",
                    "    at getSchema (/var/task/site/gatsby-site/netlify/functions/graphql.js:133087:25)",
                    "    at Object.<anonymous> (/var/task/site/gatsby-site/netlify/functions/graphql.js:149107:19)",
                    "    at Module._compile (node:internal/modules/cjs/loader:1364:14)",
                    "    at Module._extensions..js (node:internal/modules/cjs/loader:1422:10)",
                    "    at Module.load (node:internal/modules/cjs/loader:1203:32)",
                    "    at Module._load (node:internal/modules/cjs/loader:1019:12)",
                    "    at Module.require (node:internal/modules/cjs/loader:1231:19)",
                    "    at require (node:internal/modules/helpers:177:18)"
                ]
            }
        }
    ],
    "data": {
        "subscriptions": null
    }
}