That was from our application. Here are the logs from spicedb directly:

"message": "finished call",
"attributes": {
    "protocol": "grpc",
    "level": "error",
    "requestID": "d84991feafc6ef562b96988a64877cf5",
    "peer": {
        "address": "10.230.198.245:39318"
    },
    "time": "2024-02-07T13:16:38Z",
    "grpc": {
        "start_time": "2024-02-07T13:16:38Z",
        "component": "server",
        "code": "Unknown",
        "method": "LookupResources",
        "service": "authzed.api.v1.PermissionsService",
        "method_type": "server_stream",
        "time_ms": 15,
        "error": "rpc error: code = Unknown desc = unable to read namespace config: ERROR: batch timestamp 1707296590.000000000,0 must be after replica GC threshold 1707297303.995186402,0 (SQLSTATE XXUUU)"
    }
}

"message": "Query",
"attributes": {
    "pgx": {
        "args": [
            "subject",
            "f57645dc-9348-409b-b02d-b3947f30b063",
            "...",
            "identifier",
            "subject"
        ],
        "err": "ERROR: batch timestamp 1707296590.000000000,0 must be after replica GC threshold 1707297274.333642595,0 (SQLSTATE XXUUU)",
        "pid": 1129810,
        "time": 6.81679,
        "sql": "SELECT namespace, object_id, relation, userset_namespace, userset_object_id, userset_relation, caveat_name, caveat_context FROM relation_tuple AS OF SYSTEM TIME 1707296590000000000 WHERE ((userset_namespace = $1 AND userset_object_id IN ($2) AND userset_relation = $3)) AND namespace = $4 AND relation = $5 ORDER BY userset_namespace, userset_object_..."
    },
    "level": "error",
    "module": "pgx",
    "time": "2024-02-07T13:16:38Z"
}