Index: openacs-4/packages/acs-tcl/tcl/acs-cache-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/acs-cache-procs.tcl,v
diff -u -N -r1.10.2.18 -r1.10.2.19
--- openacs-4/packages/acs-tcl/tcl/acs-cache-procs.tcl	11 Oct 2021 20:11:37 -0000	1.10.2.18
+++ openacs-4/packages/acs-tcl/tcl/acs-cache-procs.tcl	13 Oct 2021 19:18:14 -0000	1.10.2.19
@@ -571,6 +571,7 @@
             callback ""
             ns_cache "^ns_cache\s+eval"
             ns_cache_flush ""
+            ns_urlspace ""
             acs::cache_flush_all ""
         }
 
Index: openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl,v
diff -u -N -r1.141.2.35 -r1.141.2.36
--- openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl	20 Aug 2021 09:39:16 -0000	1.141.2.35
+++ openacs-4/packages/acs-tcl/tcl/site-nodes-procs.tcl	13 Oct 2021 19:18:15 -0000	1.141.2.36
@@ -1686,7 +1686,7 @@
                 # necessary).
                 #
 
-                ns_urlspace unset -id $::acs::siteNodesID -recurse -key sitenode $url
+                ::acs::sitewide ns_urlspace unset -id $::acs::siteNodesID -recurse -key sitenode $url
                 next
             }