Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fccc9443993b8c8ea13306b5e91150e5729759ccf39dbc5165c91ecdfc21f7ba:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^