Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0b7172018217809b43c50a667b0bb392923437c12a75c7e29745ab9ed6ef8b2d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^