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A PHP Error was encountered
Severity: Notice
Message: Trying to access array offset on value of type null
Filename: newhelics/conference_details.php
Line Number: 338
Backtrace:
File: /home/helicsdev/public_html/application/views/newhelics/conference_details.php
Line: 338
Function: _error_handler
File: /home/helicsdev/public_html/application/controllers/Home.php
Line: 83
Function: view
File: /home/helicsdev/public_html/index.php
Line: 292
Function: require_once
