Error 0x00E70001

Value: 15138817 | 0x00E70001 | 15138817

What does it mean ?

ERROR_SPACES_POOL_WAS_DELETED  
The storage pool was deleted by the driver. The object cache should be updated.
Value: 1 | 0x0001 | 0b0000000000000001

Where does it come from ?

FACILITY_USERMODE_SPACES  
Storage Spaces - Group physicial drives in virtual drives storage pools
Value: 231 | 0x0E7 | 0b11100111

StackOverflow

Other Errors for FACILITY_USERMODE_SPACES