Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f0944fde6159ea4c507ef9d5523119224a979ba24ae58b6d0dd715647ba60d4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^