i have my blog url set to https://www.mydomain.com

Any admin pages load this error.

https://www.mydomain.com/wp-admin/options-general.php

Unsafe attempt to load URL data:image/svg+xml;utf8,<svg xmlns=’http://www.w3.org/2000/svg’><filter id=’grayscale’><feColorMatrix type=’matrix’ values=’0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0’/></filter></svg>#grayscale from frame with URL https://www.mydomain.com/wp-admin/options-general.php. Domains, protocols and ports must match.