Hello mr_robot_4,
We see you're having issues within your Instagram app, and we can help get that headed in the right direction.
Some general steps to try pertaining to issues in third-party apps can be found here: If an app on your iPhone or iPad stops responding, closes unexpectedly, or won’t open
If the issue happens to persist, we'd recommend reaching out to Instagram support for assistance with their app. They'd be in the best position to help with issues specific to the app. This page can help reach out to a developer: How to contact an app developer
Take care.