Attribute command doesn't work in mcfunction files

I tried adding the attribute command to my datapack and when I did, the MCFUNCTION file with the attribute command failed to load. I am loading this file using the minecraft:tick tag.

I found this by first testing if the file would load with the commands inside. After finding that it wouldn't load, I searched through the file and tried removing different elements based on the changes I made before testing. Once I removed the lines with the attribute commands, the file worked as intended (of course without the attribute changes i intended to add).