Failed to find a solution??

How can i solve this problem? anyone knows?
Thank you very much
Sepideh

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Failed to find a solution.
Singular matrix.

There are 195 void equations (empty rows in matrix) for the variable mod1.p.
at coordinates: (0.528027,10.2826), (0.480722,10.5094), (13.1715,6.05448), (102.733,1.18038), (104.459,2.34395), ...
and similarly for the degrees of freedom (empty columns in matrix).
Returned solution is not converged.