Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12b9ed14db235aa8963d821154b7489c35763bb083d9fb47264662ebeca8c65b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^