Index: openacs-4/packages/forums/lib/forums/new.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/forums/lib/forums/new.tcl,v
diff -u -r1.9.2.2 -r1.9.2.3
--- openacs-4/packages/forums/lib/forums/new.tcl	19 Jun 2019 16:43:21 -0000	1.9.2.2
+++ openacs-4/packages/forums/lib/forums/new.tcl	19 Jun 2019 17:26:58 -0000	1.9.2.3
@@ -24,10 +24,20 @@
 
 forums::form::forum forum
 
+# Check if the attachments package is mounted under the forum package instance
+set attachments_p [forum::attachments_enabled_p]
+
 if {[form is_valid forum]} {
     template::form get_values forum \
-        forum_id name charter presentation_type posting_policy new_threads_p anonymous_allowed_p attachments_allowed_p
+        forum_id name charter presentation_type posting_policy new_threads_p anonymous_allowed_p
 
+    # Display the option only if the attachments package is mounted
+    if {$attachments_p} {
+        template::form get_values forum attachments_allowed_p
+    } else {
+        set attachments_allowed_p t
+    }
+
     # Users can create new threads?
     set new_questions_allowed_p [expr {$new_threads_p && $posting_policy ne "closed" ? t : f}]
 
@@ -53,8 +63,11 @@
     element set_properties forum forum_id -value $forum_id
     element set_value forum new_threads_p t
     element set_value forum anonymous_allowed_p f
-    element set_value forum attachments_allowed_p t
     element set_value forum name $name
+    # Display the option only if the attachments package is mounted
+    if {$attachments_p} {
+        element set_value forum attachments_allowed_p t
+    }
 }
 
 if {[info exists alt_template] && $alt_template ne ""} {