It's not unusal to hit a plateau for a few weeks. It would be difficult give you ideas because we do not know your health or age.
Maybe cut down the salt intake, look at the % of vits in your diet. Ask your doctor to check your health for other weight retention probs(thyroid) or meds. Just keep trying.
My metabolism has changed as I got older. I had two surgeries this year and a knee injury. I not realizing that the medications from the surgery might have affected my digestion.
I am trying healthy herbal detox products and cleasers to get my digestive system clear of all the medications. Weight gain with medications are a big barrier for many people.