FastGFK index error

[yasin06]

Hi, i'm having an index exception in fastGFK,
any suggestions ?
thanks

[Adapt] Continuous Manifold Adaptation (CMA) Index exceeds matrix dimensions.

Error in fastGFK (line 49)
Q1 = Qv(1:2_dim, 1:2_dim);

Error in cma (line 51)
G = fastGFK(Q, Ut);

Error in cmaFold1 (line 68)
[Xt_cgfk, Xt_csa] = cma(expt, X, Xtest);