domain rule:  ['|',('user_id','=',user.id),('message_partner_ids','child_of',[user.commercial_partner_id.id])]

i used this domain rule in record rule "Personal lead" under object "Lead/Opportunity" but on opening the (lead as user) i get odoo server error as: 

raise ValueError("Invalid field %r in leaf %r" % (left, str(leaf))) 

ValueError: Invalid field 'user_id' in leaf "<osv.ExtendedLeaf: ('user_id', '=', 10) on mail_followers (ctx: )>"

suggest me a solution!