"MATCHED_POINTS1, to be of size Mx2 when it is actually size 0x64." It appear as an error while running showMatchedFeatures function..??

• _h = e(g(:, 1), :);

i = f(g(:, 2), :);

figure

j=showMatchedFeatures(a,b,h,i);

Error using showMatchedFeatures Expected input number 3, MATCHED_POINTS1, to be of size Mx2 when it is actually size 0x64.

Error in showMatchedFeatures>parsePoints (line 204) validateattributes(points,{'int16', 'uint16', 'int32', 'uint32', ...

Error in showMatchedFeatures>parseInputs (line 173) pts1 = parsePoints(pts1, 1);

Error in showMatchedFeatures (line 89) [pts1, pts2, method, lineSpec] = ..._ *

It always appears when try to run showMatchedFeatures....!! What to do plz help