FATAL ERROR -Out Of Bounds

Program Version,EnergyPlus 1.2.1.022, 4/9/2008 5:04 AM,IDD_Version 1.2.1.022
** Severe ** Temperature out of bounds (324.66) for surface=SYS001:ZN001:WALL001
** ~~~ ** in Zone=ZONE01
** ~~~ ** occuring in environment=AHMEDABAD_SDDAY at 05/21 00:60
** ~~~ ** A temperature out of bounds problem can be caused by several things. The user ** ~~~ ** should check the weather environment, the level of internal gains with respect
** ~~~ ** to the zone, and the thermal properties of their materials among other things.
** ~~~ ** A common cause is a building with no thermal mass -- all materials with ** ~~~ ** Regular-R definitions.
** Fatal ** EnergyPlus has exited due to the reason stated above
************* Fatal error -- final processing. More error messages may appear.
************* Testing Individual Branch Integrity
************* All Branches passed integrity testing
************* Testing Individual Supply Air Path Integrity
************* All Supply Air Paths passed integrity testing
************* Testing Individual Return Air Path Integrity
************* All Return Air Paths passed integrity testing
************* No node connection errors were found.
************* EnergyPlus Terminated--Fatal Error Detected. 2 Warning; 1 Severe Errors