No need to use this bt5 at all.

bt5/erp5_wendelin_configurator/SkinTemplateItem/portal_skins/erp5_configurator_wendelin/BusinessConfiguration_setupWendelinStandardBT5.xml

@@ -60,7 +60,6 @@ bt5_installation_list = (\'erp5_full_text_mroonga_catalog\',\n
                          \'erp5_stock_cache\',\n
                          \'erp5_web\',\n
                          \'erp5_dms\',\n
-                         \'erp5_dms_conversion_catalog\',\n
                          \'erp5_pdm\',\n
                          \'erp5_knowledge_pad\',\n
                          \'erp5_trade\',\n