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_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    cscart_product_descriptions.full_description, 
    ''
  ) AS full_description 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    95425, 95426, 95427, 95428, 95429, 95430, 
    95431, 95432, 95433, 95434, 95435, 
    95436, 95437, 95438, 95439, 95440, 
    95441, 95488, 95489, 95490, 95491, 
    95492, 95493, 95497, 95498, 95499, 
    95500, 95501, 95502, 95503, 95561, 
    95562, 95563, 95564, 95661, 95662, 
    95663, 95664, 95665, 95666, 95667, 
    95668, 95669, 95670, 95671, 95672, 
    95673, 95674
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00095

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "21.63"
    },
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 48,
      "rows_produced_per_join": 48,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "16.83",
        "eval_cost": "4.80",
        "prefix_cost": "21.63",
        "data_read_per_join": "183K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description"
      ],
      "attached_condition": "((`nuie_scalesta_net`.`cscart_product_descriptions`.`product_id` in (95425,95426,95427,95428,95429,95430,95431,95432,95433,95434,95435,95436,95437,95438,95439,95440,95441,95488,95489,95490,95491,95492,95493,95497,95498,95499,95500,95501,95502,95503,95561,95562,95563,95564,95661,95662,95663,95664,95665,95666,95667,95668,95669,95670,95671,95672,95673,95674)) and (`nuie_scalesta_net`.`cscart_product_descriptions`.`lang_code` = 'en'))"
    }
  }
}