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 = 7195 
WHERE 
  cscart_products_categories.product_id IN (
    90699, 90703, 90707, 90640, 90641, 90649, 
    90683, 90689, 90733, 90842, 90625, 
    90631, 90596, 90597, 90602, 90603, 
    90708, 90710, 90682, 90688, 90624, 
    90630, 90696, 90697, 90701, 90705, 
    90673, 90679, 90638, 90639, 90647, 
    90615, 90621, 90672, 90678, 90651, 
    90686, 90614, 90620, 90628, 90694, 
    90695, 90636, 90637, 90645, 90663, 
    90669, 90605, 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, 90048, 90049, 
    90050, 90051, 90052, 90053, 84040, 
    84231, 84234, 88316, 88100, 90018, 
    90019, 90020, 90021, 90032, 90033
  ) 
GROUP BY 
  cscart_products_categories.product_id

Query time 0.00677

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "131.15"
    },
    "grouping_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "6.96"
      },
      "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": "0.71",
            "cost_info": {
              "read_cost": "2.33",
              "eval_cost": "0.70",
              "prefix_cost": "121.75",
              "data_read_per_join": "111"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "link_type"
            ],
            "attached_condition": "(`nuie_scalesta_net`.`cscart_products_categories`.`product_id` in (90699,90703,90707,90640,90641,90649,90683,90689,90733,90842,90625,90631,90596,90597,90602,90603,90708,90710,90682,90688,90624,90630,90696,90697,90701,90705,90673,90679,90638,90639,90647,90615,90621,90672,90678,90651,90686,90614,90620,90628,90694,90695,90636,90637,90645,90663,90669,90605,90611,90662,90668,90604,90610,90650,90676,90692,90693,90653,90659,90618,90634,90635,90643,90595,90601,90652,90658,90594,90600,90666,90608,84041,84232,84044,84235,90656,84236,90598,84043,90048,90049,90050,90051,90052,90053,84040,84231,84234,88316,88100,90018,90019,90020,90021,90032,90033))"
          }
        },
        {
          "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": "1.74",
              "eval_cost": "0.70",
              "prefix_cost": "124.19",
              "data_read_per_join": "111"
            },
            "used_columns": [
              "product_id",
              "category_id",
              "position"
            ]
          }
        }
      ]
    }
  }
}