模块安装或更新出现 Exception: No references to stock.menu_stock_root 错误

[chengwenge]

Traceback (most recent call last):
File "netsvc.pyo", line 244, in dispatch
File "netsvc.pyo", line 73, in call
File "serviceweb_services.pyo", line 639, in execute
File "serviceweb_services.pyo", line 619, in execute
File "wizard__init_.pyo", line 178, in execute
File "wizard__init__.pyo", line 74, in execute_cr
File "C:Program FilesOpenERP AllInOneServeraddonsbasemodulewizardwizard_module_upgrade.py", line 92, in upgrade_module
File "pooler.pyo", line 62, in restart_pool
File "pooler.pyo", line 40, in get_db_and_pool
File "addons__init_.pyo", line 728, in load_modules
File "addons__init__.pyo", line 618, in load_module_graph
File "toolsconvert.pyo", line 885, in convert_xml_import
File "toolsconvert.pyo", line 779, in parse
File "toolsconvert.pyo", line 513, in _tag_menuitem
File "toolsconvert.pyo", line 760, in id_get
File "toolsmisc.pyo", line 686, in cached_result
File "C:Program FilesOpenERP AllInOneServeraddonsbaseirir_model.py", line 434, in _get_id
Exception: No references to stock.menu_stock_root

意思就是不能找到上级菜单，不知道这个定义在哪里？要如何引用。
没有整明白，有的时候可以，有的时候不行。