"Unity Within The Ummah And Labels" - Shaykh Abu Abdissalam

Nowadays we find some many different groups within the Muslim communities. Each group claims to be following the Qur’an and the Sunnah with the most orthodox and the correct understanding. Does a Muslim have to be a part of one of these groups and adopt their name to? Is this type of sectarianism permissible or even encouraged by Islam? How does the presence of all these groups and factions affect the issue of unity within the Muslim community? Shaykh Abu Abdissalam answers and explains.