Can you find the error here?

“Nicene Creed” according to Coptic Church

Answer: This was the original Nicene Creed of 325 AD  BUT it was revised at the Council of Constantinople in 381 AD with the words “and the son” inserted after “proceedeth from the Father”. Sadly the Eastern Orthodox Church and Coptic church are alike mainly bereft of the presence and work of the Holy Spirit (i.e they are dead orthodox churches) as a result, though there are renewal movements in Egypt.