Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b4d2a5f312f022bc01c57f8fb5c1e76217ec6459fa052159b6ff1ab457e770dd:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^