When running /squaremap resetmap without a world name, it provides an error asking for one.

When running /squaremap resetmap <worldname> WITH a world name, it provides an error saying it should be ran without any parameters.

Run with "overworld" instead of

Run with "overworld" instead of

I did

Interesting, it's the other way around, the resetmap command still uses the actual world name.

Aha, I tried "world" and "minecraft:overworld". Neither of those worked. Just "overworld" works.

Unable to reproduce, minecraft:overworld and overworld both work for me on the latest build

Interesting, it's the other way around, the resetmap command still uses the actual world name.

This implies you're on an old build, the resetmap command was updated to use the correct keyed world argument a week or two ago

@Roan-V

Unable to reproduce, minecraft:overworld and overworld both work for me on the latest build

Confirmed - it was a version issue. Command works correctly on latest version of squaremap.