Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/nexusacademic/public_html/base/table_contents_detail.php:52
Stack trace:
#0 /home/nexusacademic/public_html/index.php(12): include()
#1 {main}
thrown in /home/nexusacademic/public_html/base/table_contents_detail.php on line 52