Index: trunk/FACT++/src/ConnectionUSB.cc
===================================================================
--- trunk/FACT++/src/ConnectionUSB.cc	(revision 16565)
+++ trunk/FACT++/src/ConnectionUSB.cc	(revision 16566)
@@ -198,5 +198,5 @@
         return;
 
-    Error("fOutTimeout has expired, writing data to "+URL());
+    Error("fOutTimeout has expired, writing data to "+URL()+" ["+to_string(fOutQueue.size())+"]");
 
     CloseImp(-1);