I keep knitting to find I’ve done this. Can anyone tell what this is? I don’t even know how it’s possible. It’s not a dropped stitch, it’s like an added stitch. It’s weird. Any knitters know what’s going on?

I keep knitting to find I’ve done this. Can anyone tell what this is? I don’t even know how it’s possible. It’s not a dropped stitch, it’s like an added stitch. It’s weird. Any knitters know what’s going on?