A PHP Error was encountered

Severity: 8192

Message: base64_encode(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: front/product_details.php

Line Number: 55

Backtrace:

File: /home/vadqjivrgfcs/public_html/ayurdhan.in/application/views/front/product_details.php
Line: 55
Function: base64_encode

File: /home/vadqjivrgfcs/public_html/ayurdhan.in/application/controllers/Welcome.php
Line: 145
Function: view

File: /home/vadqjivrgfcs/public_html/ayurdhan.in/index.php
Line: 319
Function: require_once