Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 49dd6320aa6f65ced51e0c176e90cce642894d31933a7f8beacd69efeb4cc8fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^