Fatal error: Uncaught Error: Class name must be a valid object or a string in /opt/sifeng/thinkphp/library/think/Container.php:499 Stack trace: #0 /opt/sifeng/thinkphp/library/think/Container.php(470): think\Container->getObjectParam(false, Array) #1 /opt/sifeng/thinkphp/library/think/Container.php(437): think\Container->bindParams(Object(ReflectionMethod), Array) #2 /opt/sifeng/thinkphp/library/think/Container.php(284): think\Container->invokeClass('think\\Lang', Array) #3 /opt/sifeng/thinkphp/library/think/Container.php(281): think\Container->make('think\\Lang', Array, false) #4 /opt/sifeng/thinkphp/library/think/Container.php(132): think\Container->make('lang', Array, false) #5 /opt/sifeng/thinkphp/library/think/exception/Handle.php(236): think\Container::get('lang') #6 /opt/sifeng/thinkphp/library/think/exception/Handle.php(46): think\exception\Handle->getMessage(Object(think\exception\ThrowableError)) #7 /opt/sifeng/thinkphp/library/think/Error.php(51): think\exception\Handle->report(Object(think\exception\ThrowableE in /opt/sifeng/thinkphp/library/think/Container.php on line 499

Fatal error: Uncaught Error: Class name must be a valid object or a string in /opt/sifeng/thinkphp/library/think/Container.php:499 Stack trace: #0 /opt/sifeng/thinkphp/library/think/Container.php(470): think\Container->getObjectParam(false, Array) #1 /opt/sifeng/thinkphp/library/think/Container.php(437): think\Container->bindParams(Object(ReflectionMethod), Array) #2 /opt/sifeng/thinkphp/library/think/Container.php(284): think\Container->invokeClass('think\\Lang', Array) #3 /opt/sifeng/thinkphp/library/think/Container.php(132): think\Container->make('think\\Lang', Array, false) #4 /opt/sifeng/thinkphp/library/think/exception/Handle.php(236): think\Container::get('lang') #5 /opt/sifeng/thinkphp/library/think/exception/Handle.php(46): think\exception\Handle->getMessage(Object(think\exception\ErrorException)) #6 /opt/sifeng/thinkphp/library/think/Error.php(51): think\exception\Handle->report(Object(think\exception\ErrorException)) #7 /opt/sifeng/thinkphp/library/think/Error.php(90): think\Error::appException(Object(think\exc in /opt/sifeng/thinkphp/library/think/Container.php on line 499