Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4eccb55c8b34968c998ef9555c71fbb0497a566109d047e50b5d7fb5c1ce79b2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^