red icon message

[calloway]

simon..i uploaded a led zep disc to itunes this evening and restarted the icon and it then went 'red'...there is a box message when i hover over it that says..minimserver{david-smiths-imac.local}:content directory is not valid:/volumes/lacie/lacie music.......lacie is my external HD and 'lacie music' is the name of my high def folder where i have all my HD / DSD albums...i can't get it to change back to yellow..help..