Hi, I am facing this error any idea about this

[eshasadia]

K must be <= Nx

Error in RPM_Lowrank/grbf (line 17)
[xc , A_k] = fgt_model(Y' , x', hsigma, e,K,p);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error in eigs>KSherm (line 1414)
r = applyOP(Mv);
^^^^^^^^^^^
Error in eigs>KrylovSchur (line 1332)
[V, d, isNotConverged, stopAlgorithm] = KSherm(applyOP, applyM, n, k, ...
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error in eigs (line 126)
[V, d, isNotConverged, spdBout, VV] = KrylovSchur(applyOP, applyM, innerOpts, n, k,...
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error in RPM_Lowrank (line 15)
[Q,S]=eigs(@GRBF,M,numeig,'lm',OPTS);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error in RPM/L2E_AGM_Nonrigid (line 131)
[Q,K]=RPM_Lowrank(X, beta, n_ker, 1);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error in RPM (line 57)
[idt, V, param,min_value] = L2E_AGM_Nonrigid(nX, nY-nX, 0.93, r,sigma2);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error in SURF_PIIFD_RPM (line 107)
[ys,indx]=RPM(x1,x2);
^^^^^^^^^^