Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8a42be005b4c46c4c5c95f2fa23bed51f72706733ca5fdc66084bbae128e3304:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^