sale_project/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	access_sale_order_line_project_manager	sale.order.line.project.manager	sale.model_sale_order_line	project.group_project_manager	1	0	0	0
3	access_sale_order_project_manager	sale.order.project.manager	sale.model_sale_order	project.group_project_manager	1	0	0	0