PHP Deprecated

Message

unserialize(): Passing null to parameter #1 ($data) of type string is deprecated

Error at

app/addons/hybrid_auth/func.php, line: 200

Backtrace

SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    91061, 88063, 91063, 91062, 91057, 91060, 
    91055, 91058, 91056, 91059, 84848, 
    84912, 87976, 87967, 84910, 87982, 
    87977, 88089, 87968, 88039, 91064, 
    88016, 93151, 93152, 93153, 93155, 
    93157, 93796, 94810, 94825, 95312, 
    95313, 95737, 95755, 95765, 95787, 
    95820, 98230, 98231, 98232, 98324, 
    98326, 98502, 99137, 99138, 99146, 
    99147, 99155
  )

Query time 0.00062

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "21.67"
    },
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 48,
      "rows_produced_per_join": 48,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "16.87",
        "eval_cost": "4.80",
        "prefix_cost": "21.67",
        "data_read_per_join": "230K"
      },
      "used_columns": [
        "product_id",
        "product_code",
        "product_type",
        "status",
        "company_id",
        "list_price",
        "amount",
        "weight",
        "length",
        "width",
        "height",
        "shipping_freight",
        "low_avail_limit",
        "timestamp",
        "updated_timestamp",
        "usergroup_ids",
        "is_edp",
        "edp_shipping",
        "unlimited_download",
        "tracking",
        "free_shipping",
        "zero_price_action",
        "is_pbp",
        "is_op",
        "is_oper",
        "is_returnable",
        "return_period",
        "avail_since",
        "out_of_stock_actions",
        "localization",
        "min_qty",
        "max_qty",
        "qty_step",
        "list_qty_count",
        "tax_ids",
        "age_verification",
        "age_limit",
        "options_type",
        "exceptions_type",
        "details_layout",
        "shipping_params",
        "facebook_obj_type",
        "parent_product_id",
        "buy_now_url",
        "my_supplier_id",
        "supplier_amount",
        "manufacturer_code",
        "supplier_access_time",
        "rf_stop_update_price",
        "rf_stop_update_amount",
        "rf_stop_update_status",
        "rf_cost"
      ],
      "attached_condition": "(`nuie_scalesta_net`.`cscart_products`.`product_id` in (91061,88063,91063,91062,91057,91060,91055,91058,91056,91059,84848,84912,87976,87967,84910,87982,87977,88089,87968,88039,91064,88016,93151,93152,93153,93155,93157,93796,94810,94825,95312,95313,95737,95755,95765,95787,95820,98230,98231,98232,98324,98326,98502,99137,99138,99146,99147,99155))"
    }
  }
}