PHP Error

base64_decode(): Passing null to parameter #1 ($string) of type string is deprecated

File: /home/sw3c9nz40szw/public_html/personalsites/sdw-inc/sdw_utils.php

Line: 4089

Stack:
#0 __construct called at [/home/sw3c9nz40szw/public_html/personalsites/events.php:13]
#1 control called at [/home/sw3c9nz40szw/public_html/personalsites/events.php:41]
#2 displayPage called at [/home/sw3c9nz40szw/public_html/personalsites/events.php:47]
#3 mainContent called at [/home/sw3c9nz40szw/public_html/personalsites/events.php:231]
#4 getEvents called at [/home/sw3c9nz40szw/public_html/personalsites/events.php:295]
#5 base64_decode called at [/home/sw3c9nz40szw/public_html/personalsites/sdw-inc/sdw_utils.php:4089]
#6 sdwErrorHandler called at [???:???]

PHP: 8.3.30 (Linux)