I’m afraid mine wasn’t the perfect repro, but I changed the max likes per day admin setting to something achievably low, and then used a TL2 test_user to check.
Though I got this message:
(which I should probably now work out why it’s giving it me in seconds 
)
Edit: Instant realisation that it is because I have the Reactions plugin enabled.
Here’s the one without, and I’ll check it on my phone now.
I think I agree with @Don, and I would check with your user and make sure they’re not using the desktop version on their mobile.