Error 42000

SQ070:SECURITY: Must have SELECT privileges on view WS.WS.SYS_DAV_USER for group ID 136 (vdb), user ID 136 (vdb)
while executing the following statement:
#line 15870 "/DAV/VAD/conductor/folder.vspx-sql"
create method vc_data_bind_dav_mime2 (inout control vspx_data_list , inout e vspx_event) for "DB"."vdb".page__DAV_VAD_conductor_folder_vspx
{
  --no_c_escapes-
  declare path, params, lines any;
  
  if (not control.vc_enabled)
    {

      return 1;
    }
  path := e.ve_path;
  params := e.ve_params;
  lines := e.ve_lines;

   if (not control.vc_instantiate)
     {
       control.vc_instantiate := 1;
       self.vc_init_dav_mime2 (control, control.vc_parent);
       if (self.vc_page.vc_is_postback and e.ve_button is null)
         self.vc_get_focus (e);
     }
  
-- v:before-data-bind controls:
    
--no_c_escapes-
   {
   
                                
                                  control.ufl_value := get_keyword ('dav_mime2', self.vc_page.vc_event.ve_params, WEBDAV.DBA.DAV_GET (self.dav_item, 'mimeType'));
                                
                              
   }
  if (not control.vc_enabled)
    {

      return;
    }
    
-- Databound fields of the control:
  
-- Databound HTML attributes:
   
   control.vc_set_attribute ('id', 'dav_mime2');
   
  {
    declare items, item_values any;

    control.vsl_items := vector ();
    control.vsl_item_values := vector ();

    items := vector ();
    item_values := vector ();
  
    for select '' as T_TYPE from WS.WS.SYS_DAV_USER where U_NAME = 'dav' union all select distinct T_TYPE from WS.WS.SYS_DAV_RES_TYPES order by T_TYPE do
    
      {
        items := vector_concat(items, vector(sprintf('%V', cast(T_TYPE as varchar))));
        item_values := vector_concat(item_values, vector(sprintf('%V', cast(T_TYPE as varchar))));
      }
  
    control.vsl_items := items;
    control.vsl_item_values := item_values;
    
    control.vs_set_selected ();
  }


#line 837 "http://local.virt/vspx"

}

in
signal:(BIF),
        __01 => '42000',
        __02 => 'SQ070:SECURITY: Must have SELECT privileges on view WS.WS.SYS_DAV_USER for group ID 136 (vdb), user ' (truncated),
DB.DBA.vspx_load_sql([executable]/vspx.sql:5493),
  vspx_dbname => 'DB',
   vspx_user => 'vdb',
  resource_name => '/DAV/VAD/conductor/folder.vspx',
    sql_name => '/DAV/VAD/conductor/folder.vspx-sql',
signal:(BIF),
        __01 => '42000',
        __02 => 'SQ070:SECURITY: Must have SELECT privileges on view WS.WS.SYS_DAV_USER for group ID 136 (vdb), user ' (truncated),
DB.DBA.vspx_dispatch([executable]/vspx.sql:5836),
  resource_name => '/DAV/VAD/conductor/folder.vspx',
        path => (ARRAY_OF_POINTER value, tag 193),
      params => (ARRAY_OF_POINTER value, tag 193),
       lines => (ARRAY_OF_POINTER value, tag 193),
  class_name => 'page__DAV_VAD_conductor_folder_vspx',
  compile_only => 0,
  vspx_dbname => 'DB',
   vspx_user => 'vdb',
WS.WS.DAV_DIR_LIST([executable]/dav.sql:6564),
        path => (ARRAY_OF_POINTER value, tag 193),
      params => (ARRAY_OF_POINTER value, tag 193),
       lines => (ARRAY_OF_POINTER value, tag 193),
   full_path => '/DAV/virtuoso/Public/VADs/',
  logical_root_path => '/vads/',
         col => 2271,
  auth_uname => NULL,
    auth_pwd => NULL,
    auth_uid => 136,
WS.WS.GET([executable]/dav.sql:2835),
        path => (ARRAY_OF_POINTER value, tag 193),
      params => (ARRAY_OF_POINTER value, tag 193),
       lines => (ARRAY_OF_POINTER value, tag 193)