Error parsing 'integrity' attribute ('sha1256-2Kok7MbOyxpgUVvAk/HJ2jigOSYS2auK4Pfzbm7uH60='). What's up like this in console?

Question

What\'s up like this in console?

Error parsing \'integrity\' attribute (\'sha1256-2Kok7MbOyxpgUVvAk/HJ2jigOSYS2auK4Pfzbm7uH60=\'). The specified hash algorithm must b