I encountered this error while reinterpreting the names of 1,972 songs all at one time. My library has a total of 69,862 songs. When the error window came up i had to click OK about 8 times before the window closed.
System info:
Mac OSX 10.5.8
2.4 GHz core 2 Duo
4 GB 667 Mhz
Kjams - 1.0d51r35
![Image](http://gallery.me.com/tbryant97/100168/Error/web.jpg?ver=12932976770001)