Question: Maple won't calculate my Eigenvalues!

eigs := Eigenvalues(H);
Error, (in simplify) too many levels of recursion
 

!!  I never asked Maple to simplify anything !! I'd be happy even if it came messy!  I was planning on only using the linear approximation of the answer anyway !!

In fact, what's strange is that I did the Eigenvalues of this exact same matrix a year ago using Maple 12 (I'm still using Maple 12) and it gave them to me.  The matrix is the same this time except the symbols have different names!

Does anyone know how I can force it to give me the eigvenvalues ??

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