Index: trunk/psModules/src/camera/pmFPAConstruct.c
===================================================================
--- trunk/psModules/src/camera/pmFPAConstruct.c	(revision 11255)
+++ trunk/psModules/src/camera/pmFPAConstruct.c	(revision 11792)
@@ -787,5 +787,5 @@
     psString newFPAname = phuNameFromHeader("FPA.NAME", fileInfo, phu); // New name for the FPA
     if (!newFPAname) {
-        psError(PS_ERR_IO, true, "Unable to determine FPA.NAME");
+        psError(PS_ERR_IO, true, "Unable to determine FPA.NAME : check for FPA.NAME in FILE in FORMAT");
         return NULL;
     }