2.0.8.3
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Not totally sure what went wrong here but it's probably rather simple to fix, for some reason all the raw fish have recipes to grind them into mince meat except from the raw walleye.
Appears to be fixed in 2.0.8.5:

This change was merged more than a year ago. Not sure why it's not working for you.
There isn't a macerator recipe though, at least in 2.0.8.3 unlike the rest of the fish. Noticed it because I was creating mince meat with the zhuhai fishing port but this fish was clogging up my system as it wouldn't input into the macerator.
Maybe this fish have no oredict tag ?
So would you say it's walling you off?
ok ok, ouch ouch stop throwing things, I'll see myself out.
:)
I did think of that but it appears to have the same ore dict tag so not sure what鈥檚 going wrong here

fixed
You show the crafting recipe, but that was already working as my screenshot above shows. Did you check the macerator?
not yet will do

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So would you say it's walling you off?
ok ok, ouch ouch stop throwing things, I'll see myself out.
:)