error C2676: binary '!=' : 'HashTable' does not define this operator or a conversion to a type acceptable to the predefined operator

struct HashTable
{
	int age;
	static HashTable* table[5];
	HashTable* next;
	int createHash(char*, int);
	void insert(int,int);
};
HashTable* HashTable::table[5];

void HashTable::insert(int position, int data)
{
	if((*table)[position] != NULL)//error is on this line
	{
		HashTable* current = new HashTable;
	}

}