installation error

Error during instalattion Windows Vista

Base Directory: C:\Program Files\pillarone\pillarone
Environment set to development
Running script C:\Program Files\pillarone\pillarone\..\grails\scripts\Compile.groovy
    [mkdir] Created dir: C:\Users\Alfred Vernet\.grails\1.0.1\projects\pillarone\classes
  [groovyc] Compiling 270 source files to C:\Users\Alfred Vernet\.grails\1.0.1\projects\pillarone\classes
Compilation error: java.lang.NoClassDefFoundError: com/ulcjava/base/application/ULCLabel

Any ideas?

A new installer version of the reserving application is available. Furthermore the hints in this how-to may be useful.