* Remove the stamp from stack (when resuming)
*/
private static void popTransactionStartStamp() {
ListOrderedMap map = (ListOrderedMap) suspendedTxStartStamps.get();
if (map.size() > 0) {
transactionStartStamp.set((Timestamp) map.remove(map.lastKey()));
} else {
Debug.logError("Error in transaction handling - no saved start stamp found - using NOW.", module);
transactionStartStamp.set(UtilDateTime.nowTimestamp());
}
}