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

File:app/addons/hybrid_auth/func.php
Line:200
Function:{closure}
File:app/Tygh/Registry.php
Line:800
Function:{closure}
File:app/addons/hybrid_auth/func.php
Line:222
Function:getOrSetCache
File:app/addons/hybrid_auth/controllers/frontend/init.post.php
Line:17
Function:fn_hybrid_auth_get_providers_list
File:app/functions/fn.control.php
Line:727
Function:include
File:app/functions/fn.control.php
Line:458
Function:fn_run_controller
File:index.php
Line:19
Function:fn_dispatch
SELECT 
  company_id 
FROM 
  cscart_storefronts_companies 
WHERE 
  storefront_id = 1

Query time 0.00015

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "0.65"
    },
    "table": {
      "table_name": "cscart_storefronts_companies",
      "access_type": "ref",
      "possible_keys": [
        "PRIMARY",
        "idx_storefront_id"
      ],
      "key": "idx_storefront_id",
      "used_key_parts": [
        "storefront_id"
      ],
      "key_length": "4",
      "ref": [
        "const"
      ],
      "rows_examined_per_scan": 4,
      "rows_produced_per_join": 4,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "0.25",
        "eval_cost": "0.40",
        "prefix_cost": "0.65",
        "data_read_per_join": "64"
      },
      "used_columns": [
        "storefront_id",
        "company_id"
      ]
    }
  }
}

Result

company_id
2
8
9
10