Narrated Abu Hurairah: The Prophet ﷺ said: If anyone is given a legal decision ignorantly, the sin rests on the one who gave it. Sulayman al-Mahri added in his version: If anyone advises his brother, knowing that guidance lies in another direction, he has deceived him. These are the wordings of Sulayman.
Hadith Referenceسنن ابي داود / كتاب العلم / 3657
Hadith Gradingالألبانی:حسن | زبیر علی زئی:إسناده حسن, مشكوة المصابيح (242), أخرجه ابن ماجه (53 وسنده حسن)
Hadith Takhrij« سنن ابن ماجہ/المقدمة 8 (53)، (تحفة الأشراف: 14611)، وقد أخرجہ: مسند احمد (2/321، 365)، سنن الدارمی/المقدمة 20 (161) (حسن) »