Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b80a0f0b63b335393f7b972c041b3d5d2f08bcdc2556295f6a8c97945e6aa046:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^