Question: Problem with IBCs being rejected: for two coupled PDEs for solutions (u,v)

I am trying to solve a coupled pair of PDEs (Burgers eqns) for u(x,t) and v(x,t).  However, my ICs and BCs are being rejected at the (0,0) corner of the domain. 

I have uploaded the code in the attached at this link.

Can anyone help please? 


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