Notice: Undefined index: material in C:\inetpub\wwwroot\boilergear.com\commun\render_tumbler.php on line 7

Warning: file_get_contents(../img/base_img/tumbler20oz_front_color_.png): failed to open stream: No such file or directory in C:\inetpub\wwwroot\boilergear.com\commun\render_tumbler.php on line 12

Fatal error: Uncaught ImagickException: Zero size image string passed in C:\inetpub\wwwroot\boilergear.com\commun\render_tumbler.php:21
Stack trace:
#0 C:\inetpub\wwwroot\boilergear.com\commun\render_tumbler.php(21): Imagick->readImageBlob()
#1 {main}
  thrown in C:\inetpub\wwwroot\boilergear.com\commun\render_tumbler.php on line 21