I create two Record Rules:

1st Record Rule

Object: ir.attachement

Apply to Read, Write, Create, Delete

Rule Definition: [('res_name','=',[user.partner_id.name])]

Group: 

Employees / Employee

Employees / Officer

2nr Record Rule

Object: ir.attachement

Apply to Read, Write, Create, Delete

Rule Definition: [(1,'=',1)]

Group:   

Employees / Responsable

It works fine until I refresh the page, then I can no longer access the system because there is nothing but some images and icons.

any idea how to solve the problem?

Thank you