Robot Aspirador

Fatal error: Uncaught TypeError: stream_get_contents(): Argument #1 ($stream) must be of type resource, bool given in /homepages/38/d826498187/htdocs/gmbt/mejoresprecios/robotaspirador/API5-Amazon/listados-amazon.php:121 Stack trace: #0 /homepages/38/d826498187/htdocs/gmbt/mejoresprecios/robotaspirador/API5-Amazon/listados-amazon.php(121): stream_get_contents(false) #1 /homepages/38/d826498187/htdocs/gmbt/mejoresprecios/robotaspirador/index.php(19): include_once('/homepages/38/d...') #2 {main} thrown in /homepages/38/d826498187/htdocs/gmbt/mejoresprecios/robotaspirador/API5-Amazon/listados-amazon.php on line 121