Both your query and alltagsverstand’s (using Templater) work for me.
I would check the other parts of the note to make sure it’s not something else jamming up Templater.
Feel free to post it here if you can’t get it and are willing. Lots of keen eyes around🧐. Forum code formatting tips are here if you aren’t familiar.
edit: Just to make sure, running Templater with other templates is fine, yes?