--- /dev/null
+diff -ur util-vserver-0.30.210.orig/scripts/vserver-build util-vserver-0.30.210/scripts/vserver-build
+--- util-vserver-0.30.210.orig/scripts/vserver-build 2006-04-18 18:10:30.000000000 +0200
++++ util-vserver-0.30.210/scripts/vserver-build 2006-04-18 18:37:37.000000000 +0200
+@@ -122,6 +122,9 @@
+ shift
+ done
+
++test -n "$SETUP_CONTEXT" ||
++ panic $"Dynamic Context IDs not supported (use --context option)"
++
+ test -n "$VSERVER_NAME" ||
+ panic $"Name of vserver not specified"
+
+diff -ur util-vserver-0.30.210.orig/scripts/vserver.functions util-vserver-0.30.210/scripts/vserver.functions
+--- util-vserver-0.30.210.orig/scripts/vserver.functions 2006-04-18 18:10:30.000000000 +0200
++++ util-vserver-0.30.210/scripts/vserver.functions 2006-04-18 19:04:07.000000000 +0200
+@@ -365,6 +365,10 @@
+
+ test -z "$S_CONTEXT" || ctx=$S_CONTEXT
+
++ test -n "$ctx" || panic $"\
++Dynamic Context IDs are not supported, you must set Context ID
++in $vdir/context file"
++
+ _generateCapabilityOptions "$vdir"
+ _generateFlagOptions "$vdir"
+