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 = 7228 
WHERE 
  cscart_products_categories.product_id IN (
    86267, 86288, 91421, 86340, 86341, 86266, 
    86287, 87749, 86302, 86315, 87752, 
    86275, 86294, 86320, 86295, 86301, 
    86314, 86321, 86274, 87741, 86264, 
    86285, 86265, 86286, 86242, 86293, 
    86319, 86240, 86263, 86284, 87739, 
    87740, 86239, 86241, 87737, 87738, 
    93401, 93402, 93403, 93404, 93405, 
    93406, 94678, 94679, 94680, 94681, 
    94682, 94683, 94684, 94685, 95101, 
    95102, 95103, 95104, 95105, 95106, 
    95107, 95108, 95109, 95110, 95111, 
    95112, 95113, 95114, 95115, 95116, 
    95117, 95118, 95119, 95120, 95121, 
    95122, 95123, 95124, 95125, 95126, 
    95127, 95128, 95129, 95130, 95131, 
    95132, 95133, 95134, 95135, 95136, 
    95137, 95138, 95139, 95140, 95141, 
    95142, 95143, 95144, 95145, 95146
  ) 
GROUP BY 
  cscart_products_categories.product_id

Query time 0.01573

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "88.49"
    },
    "grouping_operation": {
      "using_filesort": false,
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_products_categories",
            "access_type": "range",
            "possible_keys": [
              "PRIMARY",
              "link_type",
              "pt"
            ],
            "key": "pt",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "rows_examined_per_scan": 98,
            "rows_produced_per_join": 98,
            "filtered": "100.00",
            "using_index": true,
            "cost_info": {
              "read_cost": "10.10",
              "eval_cost": "9.80",
              "prefix_cost": "19.90",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type"
            ],
            "attached_condition": "(`nuie_scalesta_net`.`cscart_products_categories`.`product_id` in (86267,86288,91421,86340,86341,86266,86287,87749,86302,86315,87752,86275,86294,86320,86295,86301,86314,86321,86274,87741,86264,86285,86265,86286,86242,86293,86319,86240,86263,86284,87739,87740,86239,86241,87737,87738,93401,93402,93403,93404,93405,93406,94678,94679,94680,94681,94682,94683,94684,94685,95101,95102,95103,95104,95105,95106,95107,95108,95109,95110,95111,95112,95113,95114,95115,95116,95117,95118,95119,95120,95121,95122,95123,95124,95125,95126,95127,95128,95129,95130,95131,95132,95133,95134,95135,95136,95137,95138,95139,95140,95141,95142,95143,95144,95145,95146))"
          }
        },
        {
          "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": 98,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "24.50",
              "eval_cost": "9.80",
              "prefix_cost": "54.20",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_categories",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "c_status",
              "p_category_id"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "category_id"
            ],
            "key_length": "3",
            "ref": [
              "nuie_scalesta_net.cscart_products_categories.category_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 4,
            "filtered": "5.00",
            "cost_info": {
              "read_cost": "24.50",
              "eval_cost": "0.49",
              "prefix_cost": "88.50",
              "data_read_per_join": "12K"
            },
            "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')))"
          }
        }
      ]
    }
  }
}