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 
  a.*, 
  b.option_name, 
  b.internal_option_name, 
  b.option_text, 
  b.description, 
  b.inner_hint, 
  b.incorrect_message, 
  b.comment 
FROM 
  cscart_product_options as a 
  LEFT JOIN cscart_product_options_descriptions as b ON a.option_id = b.option_id 
  AND b.lang_code = 'en' 
WHERE 
  a.product_id IN (
    91949, 91950, 91951, 89360, 89286, 89387, 
    89342, 89363, 89377, 89365, 89359, 
    89288, 89386, 89383, 89297, 89362, 
    89364, 89378, 82371, 89296, 89391, 
    89393, 89406, 89408, 89407, 90843, 
    89302, 89384, 89389, 89300
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position

Query time 0.00053

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.70"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "1.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "a",
            "access_type": "ALL",
            "possible_keys": [
              "c_status"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 1,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.25",
              "eval_cost": "0.10",
              "prefix_cost": "0.35",
              "data_read_per_join": "2K"
            },
            "used_columns": [
              "option_id",
              "product_id",
              "company_id",
              "option_type",
              "regexp",
              "required",
              "multiupload",
              "allowed_extensions",
              "max_file_size",
              "missing_variants_handling",
              "status",
              "position",
              "value"
            ],
            "attached_condition": "((`nuie_scalesta_net`.`a`.`product_id` in (91949,91950,91951,89360,89286,89387,89342,89363,89377,89365,89359,89288,89386,89383,89297,89362,89364,89378,82371,89296,89391,89393,89406,89408,89407,90843,89302,89384,89389,89300)) and (`nuie_scalesta_net`.`a`.`status` = 'A'))"
          }
        },
        {
          "table": {
            "table_name": "b",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "option_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "nuie_scalesta_net.a.option_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 1,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.25",
              "eval_cost": "0.10",
              "prefix_cost": "0.70",
              "data_read_per_join": "3K"
            },
            "used_columns": [
              "option_id",
              "lang_code",
              "option_name",
              "internal_option_name",
              "option_text",
              "description",
              "comment",
              "inner_hint",
              "incorrect_message"
            ]
          }
        }
      ]
    }
  }
}