Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cb0db3b5f485c7f4a93caf1c3aea0fa92d198598127b2eba8df83c586ab3a9bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^