Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d99f8e0ec12b5e3a079f7e6939963273f0b22f15ba22f251c6124955c1fd77dc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^