Index: openacs-4/packages/acs-admin/www/auth/authority-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/auth/authority-delete.tcl,v
diff -u -N -r1.5 -r1.6
--- openacs-4/packages/acs-admin/www/auth/authority-delete.tcl	7 Aug 2017 23:47:45 -0000	1.5
+++ openacs-4/packages/acs-admin/www/auth/authority-delete.tcl	19 Jan 2018 13:40:40 -0000	1.6
@@ -17,6 +17,7 @@
     auth::authority::delete -authority_id $authority_id
 
     ad_returnredirect "."
+    ad_script_abort
 } else {
     ad_return_error "Cannot delete authority" "Deleting this authority would mean that all site-wide administrator users are shut out from the system, meaning the system could no longer be administered."    
 }