Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b11de8d2ad211e49e83ca569cf3590785831b2c730b74bec44b908f8cb3a9ce:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^