223: Invalid @fix value

fix metadata is for switching provisional fixes for browser limitations on or off. The value that is assigned to the fix metadata name must be a recognized fix or multiple recognized fixes that are separated by commas. In your case the metadata value contains content that is not a recognized fix.

Solution

You can find a list of recognized fixes here. Make sure your spelling is correct. This is a valid example:

@ fix: list-numbers

If you want to switch fixes off for a particular file although they are switched on elsewhere, in @meta.nml in particular, you can declare fix with an empty value in your Aneamal file like this:

@ fix: