What is the most effective course of action to take in the event of a motivational or creative block

Taking a break is the best thing in coping burnout or boosting creativity.

To clear your head, take a break and go for a stroll

walk away! do something you love! come back renewed

I find cooking to be both meditative and delicious

Get outside, for sure!

Remember the reason(s) that pushed you to start in the first place. Meditation is also a powerful tool.

Rest, distract yourself from social media and maybe write a journal to organize your thoughts:)

Do something completely different - workout or other hobbies (I bought a pottery kit so I can get creative with my hands, works for me).

Travelling. I use it a lot if I struggle in somewhere I would go a totally different place to relax. And that make me see things in different angle.