C++ pointer and nulling problems

struct Node
{
    struct Node** adjacencies;
    bool* paths = new bool[4];
    bool visited;
    int x;
    int y;

};


//Here I initialize the map with all the nodes.
Node_map::Node_map(int x_size, int y_size)
{
    setHeight((y_size / 2));
    setWidth((x_size / 2));
    map = new Node[getWidth()*getHeight()];
    size = getWidth() * getHeight();
}

//Here I wanted to set the stage for the calculations by resetting all values to default.
bool* processed = new bool[numNodes];//To quickly check whether each node has been processed or not.
Node* testList = new Node[numNodes];

int startIndex = 0;

for (int i = 0; i < numNodes; i++) {
    processed[i] = false;
    testList[i] = NULL; //Here I get the error complaining about no matching operator.
}