Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a6e90ca8d729b5408c33ae3d9d1b7ad163543866cc30d8ff0d19afaab1e931a4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^