Index: openacs-4/packages/dotlrn/tcl/community-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/tcl/community-procs.tcl,v
diff -u -N -r1.236 -r1.237
--- openacs-4/packages/dotlrn/tcl/community-procs.tcl	11 Feb 2019 14:31:14 -0000	1.236
+++ openacs-4/packages/dotlrn/tcl/community-procs.tcl	13 Feb 2019 10:22:47 -0000	1.237
@@ -1570,7 +1570,7 @@
 
        ::dotlrn::dotlrn_community_cache eval -partition_key $community_id \
             $community_id-community_key {
-                db_string select_community_key {} -default 0
+                db_string select_community_key {} -default ""
             }
     }