Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b021e86b018fd3a41bd75b2fab8c5751fe535cc408eb759ac5ff02898c35e35:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^