After installing a recently posted App on openrepos.net https://openrepos.net/content/yoyocx/stickermotion
(v0.0.1) my native Messages App (SMS) no longer starts.

It seems I'm not the only one seeing this issue based on the comments section on the above page.
Attempts to communicate with author regarding a solution were fruitless thus far.

Symptoms:
- When I press the Messages App icon, text underneath changes color for a for a few seconds and then nothing...
- Settings -> Applications -> Messages has no response as well
- Lockscreen notifications for incoming messages are visible, but swiping aside does not reveal the app.

Debug attempts:
- Connected via WLAN to PC. Launched "top" to see if pressing on Messages icon will reveal the relevant process. Not able to determine anything from that.
- Searched TMO and google. Could not find anything useful, but it's very possible I missed something already posted.

Looking for some debug guidance:
- Is there a way to launch Messages App via terminal and determine what may be going wrong.

Naturally I can always resort to flashing but would rather avoid that if possible.

Thanks,

--lfc22