Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b335b335dbefac94ddb02848fc6118575287c8c37af6b9cb40e5aed582ee60cd:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^