Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e7a84b679b0b51174832f80ca93b025f3e2e1467f645313202db3ebf385d1331:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^