Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6618a2787edc1bdb9f6d01a5766c297536d21ac0debeb29dbbef6525acf63eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^