Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 827088c0856d6eb2fe15d3f367fb08720aef82f2d972b5bf04c9194dfefd6d90:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^