Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 49988865706bb4c331e1f0b34aea9804fb3f98ec23d9ae0ce6f1525ad1787ed2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^