library/library_member/security/ir.model.access.csv

id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
access_member_user	MemberUser	model_library_member	library_app.library_group_user	1	0	0	0
access_member_manager	MemberManager	model_library_member	library_app.library_group_manager	1	1	1	1