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 = 7251 
WHERE 
  cscart_products_categories.product_id IN (
    90611, 90662, 90668, 90604, 90610, 90650, 
    90676, 90692, 90693, 90653, 90659, 
    90618, 90634, 90635, 90643, 90595, 
    90601, 90652, 90658, 90594, 90600, 
    90666, 90608, 84041, 84232, 84044, 
    84235, 90656, 84236, 90598, 84043, 
    84040, 84231, 84234, 88100, 87864, 
    87866, 84039, 84230, 84042, 88098, 
    84233, 87831, 87844, 87850, 88096, 
    87860, 87862, 87829, 87842, 87848, 
    87858, 87863, 87865, 87827, 87840, 
    87833, 87846, 87838, 87856, 87854, 
    87834, 87852, 93787, 93788, 94367, 
    94368, 94369, 94370, 94371, 94372, 
    94373, 94374, 94375, 94376, 94377, 
    94378, 94379, 95399, 95400, 95401, 
    95434, 95435, 95436, 95437, 95438, 
    95439, 95440, 95441, 95704, 95705, 
    95728, 95729, 95730, 95731, 95732
  ) 
GROUP BY 
  cscart_products_categories.product_id

Query time 0.01605

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "130.67"
    },
    "grouping_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "6.61"
      },
      "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": 6,
            "filtered": "0.68",
            "cost_info": {
              "read_cost": "2.33",
              "eval_cost": "0.66",
              "prefix_cost": "121.75",
              "data_read_per_join": "105"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type"
            ],
            "attached_condition": "(`nuie_scalesta_net`.`cscart_products_categories`.`product_id` in (90611,90662,90668,90604,90610,90650,90676,90692,90693,90653,90659,90618,90634,90635,90643,90595,90601,90652,90658,90594,90600,90666,90608,84041,84232,84044,84235,90656,84236,90598,84043,84040,84231,84234,88100,87864,87866,84039,84230,84042,88098,84233,87831,87844,87850,88096,87860,87862,87829,87842,87848,87858,87863,87865,87827,87840,87833,87846,87838,87856,87854,87834,87852,93787,93788,94367,94368,94369,94370,94371,94372,94373,94374,94375,94376,94377,94378,94379,95399,95400,95401,95434,95435,95436,95437,95438,95439,95440,95441,95704,95705,95728,95729,95730,95731,95732))"
          }
        },
        {
          "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": 6,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.65",
              "eval_cost": "0.66",
              "prefix_cost": "124.06",
              "data_read_per_join": "105"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "position"
            ]
          }
        }
      ]
    }
  }
}