Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 644872f144e1f202a5c9474440c9789b955a41a68571a8de904d3a9e6614fa7e:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^