<method name> is not a member of <class> при любом типе возвращаемого значения, кроме int

[BCC32 Error] BMPImage.cpp(3): E2316 'BMPImage::GetImage()' is not a member of 'BMPImage'

#pragma requre_once
#include <windows.h>
#include <stdio.h>
class BMPImage {
    public:
    char** GetImage();
    int GetWidth();
    int GetHight();
 
    //Load image from path
    bool load(char*);
    //Destructor
    BMPImage();
    ~BMPImage();
    private:
        BITMAPFILEHEADER fileHeader;
        BITMAPINFOHEADER infoHeader;
        char **image;
};

#include <BMPImage.h>
#include <stdio.h>
BMPImage::GetImage() {
    return image;
}
 
BMPImage::GetWidth() {
    return infoHeader.biWidth;
}
 
BMPImage::GetHight() {
    return infoHeader.biHeight;
}
 
// Load image from path
BMPImage::load(char *path) {
    // File prt
    FILE *pFile;
    pFile = fopen(path, "rb");
    if (pFile == NULL) {
        // Can't open file
        return 0;
    }
    // BITMAPFILEHEADER read
    fread(&fileHeader, sizeof(BITMAPFILEHEADER), 1, pFile);
    // BITMAPINFOHEADER read
    fread(&infoHeader, sizeof(BITMAPINFOHEADER), 1, pFile);
    // Set cursor to begin of image
    fseek(pFile, (long)fileHeader.bfOffBits, SEEK_SET);
    // Alloc memory to image
    image = new char*[infoHeader.biHeight];
    for (int i = 0; i < infoHeader.biHeight; i++) {
        image[i] = new char[infoHeader.biWidth];
    }
    // Write image to array
    for (int y = infoHeader.biHeight - 1; y >= 0; --y) {
        fread(image[y], (infoHeader.biBitCount / 8) * infoHeader.biWidth, 1,
            pFile);
        fseek(pFile, 4 - infoHeader.biWidth % 4, SEEK_CUR);
    }
    fclose(pFile);
    return 1;
}
 
BMPImage::BMPImage() {
    image = 0;
}
 
BMPImage::~BMPImage() {
    if (this->image == NULL) {
        return;
    }
    for (int i = 0; i < infoHeader.biHeight; i++) {
        delete[]image[i];
    }
    delete[]image;
}

char** GetImage();//Объявление
//...
BMPImage::GetImage() {//Реализация.
    return image;
}