Errors when updating

[ninetydegrees]

error htdocs/scss/components/pickadate/datetime.scss (Line 11 of htdocs/scss/components/pickadate/_base.scss: Invalid US-ASCII character "\xE2")
error htdocs/scss/components/pickadate/time.scss (Line 6: Invalid US-ASCII character "\xE2")
error htdocs/scss/skins/celerity.scss (Line 107 of htdocs/scss/skins/_nav.scss: Invalid US-ASCII character "\xE2")
error htdocs/scss/skins/gradation/gradation-horizontal.scss (Line 107 of htdocs/scss/skins/_nav.scss: Invalid US-ASCII character "\xE2")
error htdocs/scss/skins/gradation/gradation-vertical.scss (Line 107 of htdocs/scss/skins/_nav.scss: Invalid US-ASCII character "\xE2")

Is is just me?