M Code from Carbide Create and UGS

No, Fusion has a lot more control over the g-code output by having a list of user-selectable post-processors; this allows you to select one which doesn’t contain m-code commands.

If you’ll be using Carbide Create for the time being, I made a forum post which outlines how to make UGS ignore these commands permanently without further manual intervention: Permanent fix to "An error was detected while sending 'M6..."