Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ea291d055db3264215c247f170596820b9b1c27763bb605dc89eecf8e242d33c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^