[Missing equipment and warframe]

Hello, I came back to Warframe after a year or two and noticed that some of my equipment and warframe is missing. First I noticed the Daikyu bow, but then I read there was a rank increase for this specific weapon. I looked into my profile, and the weapons I used to own, are still there ( attachments), unfortunately, they aren't in my inventory. Only ones that stayed are Paris Prime, Lex Prime, Galantine, Boltor Prime and Hek. Other weapons + Excalibur disappeared. I'm pretty positive that I didn't sell anything, I just found it like this.