web/web_ir_actions_act_window_message/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	crud_ir_actions_act_window_message	access_ir_actions_act_window_message	model_ir_actions_act_window_message	base.group_system	1	1	1	1