stomach pain on OPill?

Hey y'all, tonight I started OPill for the very first time. After about two hours of taking the pill, I started having some strange stomach pain. Like level 5, concerning but still able to do tasks kind of pain, definitely feels like some kind of inflammation. For reference, this is not my first time on birth control, but it is my first time using the mini pill and I was on the combo pill so long ago I've forgotten how starting that one felt LOL. Has anyone else dealt with this when first trying? should I be concerned? Any other thoughts, feelings, and experiences with it are also appreciated.