>>17813258Not the same anon but it breaks down by aqidah, but Ash'ari and Maturidi schools, typically classify Shia aqidah in general like the Twelvers as heretical with specific regards to Imamate and some views on the Companions.
However, they disagree most more strongly about the attributes of Allah.
In Ashari and Maituridi, they belive Allah possesses attributes (ṣifāt) such as knowledge, power, and will, but these are neither identical to His essence nor separate from it. They themselves disagree about how that functions and hold each other to be wrong but still within the frame of Islam for the most part minus some issues with what that means about some people becoming saints. Both view mainstream Shi'a theology, particularly the Twelver Shi'a belief in ta'wil (allegorical interpretation) of divine attributes
to be more than heretical and to be innovation or bi'dah and damn worthy. Basically, they are making Allah not Allah. Shia in general in turn believe that both by clamining what they do about the attribtues render the 99 attributes of Allah to be 99 gods at worst.
The Athari school, emphasizing strict textualism, tends to be more severe, often viewing Shia beliefs