crwdns2933897:0crwdne2933897:0

I get an error message that iPod cannot be synced. Error is -54.

When trying to synch my iPod touch generation 6 I get an error message: -54

How can I fix this?

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

crwdns2934109:0crwdne2934109:0

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