Grade Book

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Fatal error: Uncaught Error: Call to a member function prepare() on null in /home/sabrep/public_html/code_site/functions_site/generic_sql.function:6 Stack trace: #0 /home/sabrep/public_html/page_files/grade_book/functions/sql_get_teacher_active_classes.function(8): generic_sql('SELECT class_id...', Array) #1 /home/sabrep/public_html/page_files/grade_book/primary.php(20): sql_get_teacher_active_classes(Array) #2 /home/sabrep/public_html/pages.php(510): require_once('/home/sabrep/pu...') #3 /home/sabrep/public_html/index.php(196): include('/home/sabrep/pu...') #4 {main} thrown in /home/sabrep/public_html/code_site/functions_site/generic_sql.function on line 6