Sufi Shaikh Abdul Qadir al-Jilani Claim to be the Prophet Muhammad (peace be upon him)

The eminent 'Shaikh' of the Qadiri Sufis, namely, Shaikh Abdul Qadir al-Jilani (d. 561 H) allegedly claimed to have become the Prophet Muhammad (Sallallahu alaihi wasallam) through Fana fil-Rasul

He said:

اني كنت فنانا في رسول الله ولم يكن في ذلك الوقت فلا انا وانما كنت محمدا

“I was annihilated in Rasulullah Sallallahu alaihi wasallam, so at that time I was not myself, but I was Muhammad.”

Reference: Saif al-Rabbani, p.100