Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b8a1cd2d614396c1708969452f445149d32867c44dc2ca22e6eb398925f0ce2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^