php - Cannot override final method Exception::__clone() imagick -

<?php     include_once 'imagick.php';      $im = imagegrabscreen();     imagepng($im, "myscreenshot.png");     imagedestroy($im);      $im = new imagick('myscreenshot.png');     $imageprops = $im->getimagegeometry();     $width = $imageprops['width'];     $height = $imageprops['height'];      if($width > $height){         $newheight = 80;         $newwidth = (80 / $height) * $width;     }else{         $newwidth = 80;         $newheight = (80 / $width) * $height;     }      $im->resizeimage($newwidth,$newheight, imagick::filter_lanczos, 0.9, true);     $im->cropimage (80,80,0,0);     $im->writeimage( "test.jpg" );     echo '<img src="test.jpg">'; ?> 

the image being saved properly. getting error:

fatal error: cannot override final method exception::__clone() in c:\xampp\htdocs\