Index: build/web/building.cgi
==================================================================
--- build/web/building.cgi
+++ build/web/building.cgi
@@ -144,13 +144,19 @@
 	if {[string tolower $status] eq "complete"} {
 		dict set resultsDict kit_url $url
 	}
 	if {[string tolower $status] in {complete building}} {
 		dict set resultsDict build_log_url $build_log_url
-		dict set resultsDict tcl_version $buildinfo(tcl_version)
-		dict set resultsDict kitcreator_version $buildinfo(kitcreator_version)
-		dict set resultsDict platform $buildinfo(platform)
+		catch {
+			dict set resultsDict tcl_version $buildinfo(tcl_version)
+		}
+		catch {
+			dict set resultsDict kitcreator_version $buildinfo(kitcreator_version)
+		}
+		catch {
+			dict set resultsDict platform $buildinfo(platform)
+		}
 	}
 }
 
 switch -exact -- $resultFormat {
 	"html" {