系统发生错误

[ 错误信息 ]

TypeError: implode(): Argument #2 ($array) must be of type ?array, int given in /home2/srichdur/ebiochem.com/Home/Lib/Action/SearchAction.class.php:269 Stack trace: #0 /home2/srichdur/ebiochem.com/Home/Lib/Action/SearchAction.class.php(269): implode(',', 0) #1 /home2/srichdur/ebiochem.com/Home/Lib/Action/SearchAction.class.php(127): SearchAction->searchByTag('cas') #2 /home2/srichdur/ebiochem.com/Home/Runtime/~runtime.php(2): SearchAction->search() #3 /home2/srichdur/ebiochem.com/Home/Runtime/~runtime.php(2): App::exec() #4 /home2/srichdur/ebiochem.com/index.php(25): App::run() #5 {main}