Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b84e5a2c5f55a035d31051673b427176a3142513684158d47b8b7729c25efa1d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^