يَدۡعُوۡا مِنۡ دُوۡنِ اللّٰهِ مَا لَا يَضُرُّهٗ وَمَا لَا يَنۡفَعُهٗؕ ذٰلِكَ هُوَ الضَّلٰلُ الۡبَعِيۡدُۚ‏

He invokes instead of Allah that which neither harms him nor benefits him. That is what is the extreme error