EGR Fault P0403 - VW Tiguan 2013 - 2.0 TDI CFFB

I got the P0403 Error Code :
4891 - EGR Valve (N18)
P0403 00 [032] - Malfunction


Here is why my EGR valve has failed at only 90.000km(56.000miles) . Multiple causes found while taking it apart.