What is the ruling on praying behind an Ismaili imam who has a negative opinion about Imam Musa Kadhim (AS)?

Salah (Prayers)IsmailisImam Musa al-Kazim
What is the ruling on praying behind an Ismaili imam who has a negative opinion about Imam Musa Kadhim (AS)?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 3 weeks ago

Prayers behind a person who has negative opinion about any of the 12 Infallible Imams is invalid unless there is situation if Taqiyya then you need to repeat you Prayer. Wassalam.