downgrade error to warning

parsers/survex.py

@@ -1207,7 +1207,7 @@ class LoadingSurvex:
             kataster
             fixedpts/gps
             and everything at top level, directly in caves-1623/ not in a subdir
-        NOTE self.cavelist is a superset of GCaveLookup, which already contians both uppercase and lowercase aliases
+        NOTE self.cavelist is a superset of GCaveLookup, which already contains both uppercase and lowercase aliases
         
         why is this called with cavepath="caves-1623/2023-kt-02" when this is a cave where the files are in "caves-1623/2023-kt-02/"
         cavepath = 'surface/1623' when svxis is 'surface/1623/2004-18to298.svx'
@@ -1262,12 +1262,11 @@ class LoadingSurvex:
                 # stash_data_issue(parser="survex", message=message, url=None, sb=(svxid))
                 # print(message, file=sys.stderr)
                 return False
-            else:
-                message = f" ! ERROR: no cave at '{svxid}.svx'  {cavepath=} "
+            else: # probably a top level file immediately in the loser directory. No worries.
+                message = f" ! Warning: no cave identifiable for '{svxid}.svx'  {cavepath=} "
                 print("\n" + message)
-                print("\n" + message, file=sys.stderr)
                 stash_data_issue(parser="survex", message=message, url="{svxid}.svx", sb=(svxid))
-                return None
+                return False
 
     def LoadSurvexFile(self, svxid):
         """Creates SurvexFile in the database, and SurvexDirectory if needed

templates/cavewallets.html

@@ -42,6 +42,7 @@ traced to produce Tunnel or Therion drawings and eventually the final complete c
         	<a href="/person/{{p.slug}}">{{p.fullname}}</a>{%if not forloop.last %}, {% endif %}
         {% endfor %}
     </td>
+<td align="center" style="padding:2px"><a href="{{wallet.get_absolute_url}}">{{wallet.singlescan_set.all|length}}</a></td>
     <td style="padding:2px">
     {% for survexblock in wallet.survexblock_set.all %}
       <a href="{% url "svx" survexblock.survexfile.path %}">{{survexblock}}</a>