     module  = require locator
     module  = module[ crumb ] for crumb in crumbs
   catch error
-    alert '98987', "when trying to resolve #{crumbs.join '.'}"
-    alert '98987', "starting with module #{rpr locator}"
-    alert '98987', "an error occurred at path component #{rpr crumb}"
+    alert '98987-1', "when trying to resolve #{crumbs.join '.'}"
+    alert '98987-2', "starting with module #{rpr locator}"
+    alert '98987-3', "an error occurred at path component #{rpr crumb}"
     throw error
   #.....................................................................................................
   return {

is_hidden                 = MD_READER.is_hidden.bind   MD_READER
is_stamped                = MD_READER.is_stamped.bind  MD_READER

#-----------------------------------------------------------------------------------------------------------
@_resolve_arguments = ( S, event ) =>
  reference_path                      = S.layout_info[ 'source-home' ]

        PS.pull pipeline...
      #.....................................................................................................
      catch error
        alert '98987-10', { module, method_name, P, meta, locator, crumbs, }
        alert '98987-11', "when trying to call method #{rpr method_name}"
        alert '98987-12', "from module #{rpr locator}##{crumbs.join '.'}"
        alert '98987-13', "with arguments #{rpr P}"
        alert '98987-14', "an error occurred:"
        alert '98987-15', error.message
        throw error
    #.......................................................................................................
    else
