opencv_core.gemm (-215:Assertion failed)

package com.example.demo.service.impl;

import org.bytedeco.javacpp.DoublePointer;
import org.bytedeco.opencv.global.opencv_core;
import org.bytedeco.opencv.opencv_core.Mat;
import org.bytedeco.opencv.opencv_core.Size;

public class MatrixGemm {
    public static void main(String[] args) {

        DoublePointer srcPoints = new DoublePointer(4);
        srcPoints.put(0, 0,
                100, 0);

        Mat srcMatrix = new Mat(new Size(2, 2), opencv_core.CV_32F);
        srcMatrix.put(srcPoints);

        Mat rotationMatrixX = new Mat(new Size(2, 2), opencv_core.CV_32F);
        DoublePointer doublePointer = new DoublePointer(4);
        doublePointer.put(0, 0,
                100, 0);
        rotationMatrixX.put(doublePointer);

        Mat result = new Mat(new Size(2, 2), opencv_core.CV_32F);

        opencv_core.gemm(rotationMatrixX, srcMatrix, 1, new Mat(), 0, result);
    }
}