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( ! ) Error: Call to a member function execute() on null in /var/www/html/graduation2022/_inc/sbg2018.php on line 356
Call Stack
#TimeMemoryFunctionLocation
10.0005412752{main}( ).../index.php:0
20.01731162824getpi( ).../index.php:12
30.02631183072getgraduates( ).../sbg2018.php:137