DD101 is the catalogue number of one of Delia's tapes.
Type: 5" reel, 1/4" tape
Label: Delia Small Tape 1
Description: Unknown production (notes in this box, reel 5 is missing)
Try waiting a few minutes and reloading.
(Can't contact the database server: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) (localhost))