Sayyiduna Anas bin Malik (may Allah be pleased with him) said: We were forbidden to pray in an elevated mosque.
Al-Bazzar recorded it; its chain contains Layth bin Abi Sulaym, who is thiqah (trustworthy), but he is a mudallis (one who conceals defects in the chain).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الصلاة / 1986