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
INSERT INTO cscart_product_popularity (
  `viewed`, `added`, `deleted`, `bought`, 
  `total`, `product_id`
) 
VALUES 
  (1, 0, 0, 0, 3, 98366) ON DUPLICATE KEY 
UPDATE 
  viewed = viewed + 1, 
  added = added + 0, 
  deleted = deleted + 0, 
  bought = bought + 0, 
  total = total + 3

Query time 0.00026

Result

int(2)