Sleep trouble, 10 months

I need help.

My baby has had increased night wakings and screaming for two hours. We go in and comfort for a quick pop in.

She is 10 months old.

Has two naps per day most days usually gets 2 hrs worth of daytime naps ending by 4pm.

We have a naptime and bedtime routine. Soundmachine, dark room, cool, Lovie.

She's been night weaned since 8 months, and no longer uses a pacifier. We've sleep trained and is not fed to sleep ever. She is on 3 solid meals a day and has 5 nursing sessions per day. She wakes roughly the same time and we start bedtime at the same time. I have no idea why she is having a hard time at night. Please someone help!!