Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 947237b28f9aa91455d860938b0a4b6d1d45db59cc19d44dac58cc6d8812a928:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^