if (potentialDebt > newStack[j].lien.details.liquidationInitialAsk) {
    revert InvalidState(InvalidStates.INITIAL_ASK_EXCEEDED);
  }
for (uint256 i = stack.length; i > 0; ) {
      uint256 j = i - 1;
      newStack[j] = stack[j];
      if (block.timestamp >= newStack[j].point.end) {
        revert InvalidState(InvalidStates.EXPIRED_LIEN);
      }
      unchecked {
        potentialDebt += _getOwed(newStack[j], newStack[j].point.end);
      }
      if (potentialDebt > newStack[j].lien.details.liquidationInitialAsk) {
        revert InvalidState(InvalidStates.INITIAL_ASK_EXCEEDED);
      }

      unchecked {
        --i;
      }
    }
