One issue may be the naming of the columns.
If you include spaces in columns (or any other objects) they must be surrounded by tick marks ``, but you will make life easier by avoiding this and renaming these using e.g. an underscore _.
If this does not fix things, the please include a reprex:
FAQ: How to do a minimal reproducible example ( reprex ) for beginners - meta / Guides & FAQs - RStudio Community