Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 33c968d9e957376d5e24df8745bbafa965c1289c9247baabf435c1ebe94c91ca:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^