Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77cf2733eb10ebfe3427aea06c77116dd921e8e66e3b82660b8b5091f9f29f0f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^