it’s possible to naturally go through periods of low recall, either through stress in waking life or just having a lot to “think about/filter” while dreaming (dealing with problems/solutions from waking life/schoolwork)
Try reading the big remembering dreams topic https://community.ld4all.com/t/the-big-remembering-dreams-topic-part-iii/13843 … it should give you lots of advice to get your recall better again.