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 (
    94922, 94923, 94924, 94925, 94926, 94927, 
    94928, 94929, 94930, 94931, 94932, 
    94933, 94934, 94935, 94936, 94937, 
    94938, 94941, 94943, 94944, 94947, 
    96247, 96248, 96249, 96252, 96253, 
    96254, 96255, 96256, 96257
  )

Query time 0.00053

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "13.55"
    },
    "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": 30,
      "rows_produced_per_join": 30,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "10.55",
        "eval_cost": "3.00",
        "prefix_cost": "13.55",
        "data_read_per_join": "143K"
      },
      "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 (94922,94923,94924,94925,94926,94927,94928,94929,94930,94931,94932,94933,94934,94935,94936,94937,94938,94941,94943,94944,94947,96247,96248,96249,96252,96253,96254,96255,96256,96257))"
    }
  }
}