Fatal error: Uncaught ArgumentCountError: mysqli_error() expects exactly 1 argument, 0 given in /home1/olgamark/public_html/evolbiol_ru/engine.php(157) : eval()'d code:7 Stack trace: #0 /home1/olgamark/public_html/evolbiol_ru/engine.php(157) : eval()'d code(7): mysqli_error() #1 /home1/olgamark/public_html/evolbiol_ru/engine.php(157): eval() #2 /home1/olgamark/public_html/evolbiol_ru/engine.php(108): get_block_from_file('randomphoto.php', Array) #3 /home1/olgamark/public_html/evolbiol_ru/engine.php(77): get_block(Array) #4 {main} thrown in /home1/olgamark/public_html/evolbiol_ru/engine.php(157) : eval()'d code on line 7