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 (
    93787, 93788, 93798, 93799, 93800, 93801, 
    93802, 93803, 93804, 93805, 93806, 
    93807, 93808, 93809, 93810, 93811, 
    93812, 93813, 93814, 93815, 93816, 
    93817, 93818, 93832, 93833, 93834, 
    93835, 93836, 93837, 93838, 93839, 
    93840, 93841, 93882, 93883, 93884, 
    93885, 94367, 94368, 94369, 94370, 
    94371, 94372, 94373, 94374, 94375, 
    94376, 94377
  )

Query time 0.00092

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 (93787,93788,93798,93799,93800,93801,93802,93803,93804,93805,93806,93807,93808,93809,93810,93811,93812,93813,93814,93815,93816,93817,93818,93832,93833,93834,93835,93836,93837,93838,93839,93840,93841,93882,93883,93884,93885,94367,94368,94369,94370,94371,94372,94373,94374,94375,94376,94377))"
    }
  }
}