can someone help me debug the leaker errors on thios code ABS.H

#pragma once
	#include
	#include
	#include
	using namespace std;
	template
	class ABS {
	private:
	unsigned int capacity;
	unsigned int count;
	float scalerFactor = 2.0f;
	T* array;
	public:
	ABS();
	ABS(int capacity);
	ABS(const ABS &d);
	ABS&operator = (const ABS &d);
	~ABS();
	void push(T &data);
	T pop();
	T peek();
	unsigned int getSize();
	unsigned int getMaxCapacity() const;
	T* getData();
	const T &operator[] (unsigned int index) const;
	T &operator[] (unsigned int index);
	};
	template
	inline ABS::ABS(){
	this->capacity = 1;
	this->count = 0;
	array = new T[capacity];
	}
	template
	inline ABS::ABS(int capacity)
	{
	this->capacity = capacity;
	this->count = 0;
	array = new T[capacity];
	}
	template
	inline ABS::ABS(const ABS & d)
	{
	this->count = d.count;
	this->capacity = d.capacity;
	this->array = new T[capacity];
	for (unsigned int i = 0; i < capacity; i++) {
	array[i] = d[i];
	}
	}
	template
	ABS & ABS::operator=(const ABS & d) {
	if (this == &d) {
	return *this;
	}
	if (array != nullptr) {
	delete[] array;
	}
	this->count = d.count;
	this->capacity = d.capacity;
	this->array = new T[capacity];
	for (unsigned int i = 0; i < capacity; i++) {
	array[i] = d[i];
	}
	return this->*array;
	}
	template
	inline ABS::~ABS() {
	if (array != nullptr) {
	delete[] array;
	}
	}
	template
	void ABS::push(T &data) {
	if (count == capacity) {
	this->capacity *= scalerFactor;
	}
	this->array[count] = data;
	//cout << "array at count: " << array[count] << endl;
	count++;
	}
	template
	inline T ABS::pop() {
	if (count == 0) {
	//throw runtime_error("Error!");
	return -1;
	}
	//cout << "count/cap: " << ((float)count / (float)capacity) << endl;
	if (count < 0.5*(float)capacity) {
	capacity = capacity / scalerFactor;
	}
	T returnValue = array[count-1];
	T* tempArray = new T[capacity];
	for (unsigned int i = 0; i < count - 1; i++) {
	//cout << "Int copied over: " << array[i] << endl;
	tempArray[i] = array[i];
	}
	for (unsigned int i = count; i < capacity+1; i++) {
	tempArray[i] = 0;
	}
	if (array != nullptr) {
	delete[] array;
	}
	array = tempArray;
	count--;
	return returnValue;
	/*if (count == 0) {
	return -1;
	}
	if (count == capacity) {
	capacity--;
	}
	T* tempArray = new T[capacity];
	for (unsigned int i = 0; i < count; i++) {
	this->array[i] = this->array[1];
	}
	count--;
	if (array != nullptr) {
	delete[] array;
	}
	this->array = tempArray;
	return tempArray[count+1];*/
	}
	template
	inline T ABS::peek()
	{
	if (capacity == 0) {
	return -1;
	}
	else {
	//cout << "element at the top of the stack" << getData()[count-1] << endl;
	return array[count-1];
	}
	}
	template
	inline unsigned int ABS::getSize()
	{
	return count;
	}
	template
	inline unsigned int ABS::getMaxCapacity() const
	{
	return capacity;
	}
	template
	inline T * ABS::getData()
	{
	return array;
	}
	template
	inline const T & ABS::operator[](unsigned int index) const
	{
	if (index > capacity || index < 0) {
	//throw runtime_error("Error! Invalid index");
	} else {
	return array[index];
	}
	}
	template
	inline T & ABS::operator[](unsigned int index)
	{
	if (index > capacity || index < 0) {
	//throw runtime_error("Error! Invalid index");
	}
	else {
	return array[index];
	}
	}

I am getting the below errors

LEAKER: unknown:unknown():0 checking error: wrote off end of memory allocated at unknown:unknown():0. *** Error in `./a.out': free(): invalid next size (fast): 0x000000000092ec40 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7fd919e287e5] /lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7fd919e3137a] /lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7fd919e3553c] ./a.out(_ZdaPv+0x64)[0x402fc0] ./a.out[0x401e7b] ./a.out[0x40124b] ./a.out[0x40107b] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7fd919dd1830] ./a.out[0x400f79]