problem with meshing

hi friend

   iam new to ABAQUS and 
i am modeling a sample plate in Abaqus with a crack and partitioning the
region at crack tip, but im getting an error such as "24 elements are
within a contour region. The elements are identified in element set
ErrElemIncorrContInteg".

Iam also attaching the   file that i have modelled. please anybody help me in solving the problem