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_categories.product_id, 
  GROUP_CONCAT(
    IF(
      cscart_products_categories.link_type = "M", 
      CONCAT(
        cscart_products_categories.category_id, 
        "M"
      ), 
      cscart_products_categories.category_id
    )
  ) AS category_ids, 
  product_position_source.position AS position 
FROM 
  cscart_products_categories 
  INNER JOIN cscart_categories ON cscart_categories.category_id = cscart_products_categories.category_id 
  AND cscart_categories.storefront_id IN (0, 1) 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  LEFT JOIN cscart_products_categories AS product_position_source ON cscart_products_categories.product_id = product_position_source.product_id 
  AND product_position_source.category_id = 7270 
WHERE 
  cscart_products_categories.product_id IN (
    88295, 89695, 88289, 88294, 88113, 88125, 
    88137, 89689, 89694, 88111, 88112, 
    88123, 88124, 88135, 88136, 88110, 
    88122, 88134, 88287, 88288, 88290, 
    88291, 88292, 88293, 89687, 89688, 
    89690, 89691, 89692, 89693, 88285, 
    88286, 88283, 88284, 89685, 89686, 
    89683, 89684, 88363, 88109, 88121, 
    88133, 88280, 88281, 88282, 88357, 
    89680, 89681, 89682, 88362, 88108, 
    88120, 88132, 88276, 88277, 88278, 
    88279, 89676, 89677, 89678, 89679, 
    88355, 88356, 88358, 88359, 88360, 
    88361, 89675, 88107, 88119, 88131, 
    88275, 88353, 88354, 88271, 89674, 
    88351, 88352, 89670, 88106, 88118, 
    88130, 88264, 88273, 88274, 88270, 
    88268, 88269, 89669, 89662, 89672, 
    89673, 88267, 89667, 89668, 88348
  ) 
GROUP BY 
  cscart_products_categories.product_id

Query time 0.01799

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "136.87"
    },
    "grouping_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "11.20"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_categories",
            "access_type": "ALL",
            "possible_keys": [
              "PRIMARY",
              "c_status",
              "p_category_id"
            ],
            "rows_examined_per_scan": 208,
            "rows_produced_per_join": 8,
            "filtered": "4.00",
            "cost_info": {
              "read_cost": "20.72",
              "eval_cost": "0.83",
              "prefix_cost": "21.55",
              "data_read_per_join": "21K"
            },
            "used_columns": [
              "category_id",
              "usergroup_ids",
              "status",
              "storefront_id"
            ],
            "attached_condition": "((`nuie_scalesta_net`.`cscart_categories`.`storefront_id` in (0,1)) and ((`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids`))) and (`nuie_scalesta_net`.`cscart_categories`.`status` in ('A','H')))"
          }
        },
        {
          "table": {
            "table_name": "cscart_products_categories",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY",
              "link_type",
              "pt"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id"
            ],
            "key_length": "3",
            "ref": [
              "nuie_scalesta_net.cscart_categories.category_id"
            ],
            "rows_examined_per_scan": 117,
            "rows_produced_per_join": 11,
            "filtered": "1.14",
            "cost_info": {
              "read_cost": "2.33",
              "eval_cost": "1.12",
              "prefix_cost": "121.75",
              "data_read_per_join": "179"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type"
            ],
            "attached_condition": "(`nuie_scalesta_net`.`cscart_products_categories`.`product_id` in (88295,89695,88289,88294,88113,88125,88137,89689,89694,88111,88112,88123,88124,88135,88136,88110,88122,88134,88287,88288,88290,88291,88292,88293,89687,89688,89690,89691,89692,89693,88285,88286,88283,88284,89685,89686,89683,89684,88363,88109,88121,88133,88280,88281,88282,88357,89680,89681,89682,88362,88108,88120,88132,88276,88277,88278,88279,89676,89677,89678,89679,88355,88356,88358,88359,88360,88361,89675,88107,88119,88131,88275,88353,88354,88271,89674,88351,88352,89670,88106,88118,88130,88264,88273,88274,88270,88268,88269,89669,89662,89672,89673,88267,89667,89668,88348))"
          }
        },
        {
          "table": {
            "table_name": "product_position_source",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "pt"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id",
              "product_id"
            ],
            "key_length": "6",
            "ref": [
              "const",
              "nuie_scalesta_net.cscart_products_categories.product_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 11,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "2.80",
              "eval_cost": "1.12",
              "prefix_cost": "125.67",
              "data_read_per_join": "179"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "position"
            ]
          }
        }
      ]
    }
  }
}