Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 680d880f8b622fb349ef5527dfbe9446f769671c4c40de07a6ec5c87043b9281:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^