first of all welcome here in our forum and thank you very much for your report.
I have checked the notams and the source database and I afraid, I haven´t found any answer of this. ARE1K, BAGAD1K, ADSET1L, … all STARs with a DmeArc part. So, it seems that has something todo with a possible DME maintenance. The notams are not 100% clear but it looks like because it´s strange that the DmeArc STARs are not included.
I would wait to the next AIRAC and I will look on it, when it´s out. When it´s still missing, we will ask Jeppesen for the reason. Hope thats ok for you!