Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21a90a57ebf367351865868e21d3c99bbb8a3c6aea5aa4de15b8a41531b03a35:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^