Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f5492bbd8ecab0d645ebd2400e431f150df6620f0ec93293b2b4ce5cfbcf991b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^