Index: openacs-4/packages/acs-templating/tcl/util-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/util-procs.tcl,v
diff -u -N -r1.38 -r1.39
--- openacs-4/packages/acs-templating/tcl/util-procs.tcl	9 May 2018 15:33:29 -0000	1.38
+++ openacs-4/packages/acs-templating/tcl/util-procs.tcl	16 May 2018 11:50:02 -0000	1.39
@@ -440,6 +440,10 @@
 
     @return A string with the contents of the file.
 } {
+    if {![file exists $path]} {
+        error "File $path does not exist"
+    }
+    
     #
     # Use ad_try to make sure, that the file descriptor is finally
     # closed.