crwdns2933897:0crwdne2933897:0

code and password can't get into the app store

Why does it keep asking me for code with my password to get in the app store to download something. I know the password is right cause I got into iTunes. What do I do to get pass this so I can download some stuff from the app store.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0