Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a52220892ae9d4aeec7999533323ff7ac1586c63fcd8a8c752d5c6e2d375c99e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^