Index: trunk/DataStore/lib/DataStore/FileSet.pm
===================================================================
--- trunk/DataStore/lib/DataStore/FileSet.pm	(revision 34530)
+++ trunk/DataStore/lib/DataStore/FileSet.pm	(revision 34532)
@@ -109,4 +109,7 @@
 sub new
 {
+    # turn off param validation as it has been causing problems
+    local $Params::Validate::NO_VALIDATION = 1;
+
     my $class = shift;