Greetings @s_a_khan!
Thank you for letting us know about this issue.
Have you reproduced this issue on multiple devices or have you only ever used just one device to pause/unpause? Have you attempted yet to uninstall/reinstall the app? I'd also like to make sure that your device is current and running the most up to date version of your respective operating system.
Please let me know so that I can determine the best path towards a potential solution for you.
Regards,
RogersCorey