<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def unset_stack_address_mapping(self, absolute_address):
 """ Remove a stack mapping. :param absolute_address: An absolute memory address, which is the base address of the stack frame to destroy. """

        if self._stack_region_map is None:
            raise SimMemoryError('Stack region map is not initialized.')
        self._stack_region_map.unmap_by_address(absolute_address)