Is there anything in Ibn Hajar's book "Al-Zawajir" that one should be cautious of when reading it, and is Ibn Hajar from Ahlus-Sunnah?

There is no book authored by humans that does not contain observations, and the book "Al-Zawajir" by Ibn Hajar al-Haytami is a good book in its field. The presence of some observations in it does not prevent benefiting from its valuable insights. Some scholars have criticized Ibn Hajar al-Haytami on matters of creed and his criticism of Sheikh al-Islam, but this has not caused the diligent scholars to renounce his beneficial books. Indeed, the esteemed scholar Abdullah bin Muhammad bin Abdul Wahhab praised him, and his books, such as "Al-Zawajir," are given attention, and his نقل (transmission of knowledge) is relied upon due to his vast knowledge. Some scholars have also noted that he mentions major sins in "Al-Zawajir" that are not proven to be major sins by evidence from the Quran or Sunnah.