Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> afcd41d545a1e8b7d88d5d2944394ceb27f7e927fffed219f6b8624558d1a05d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^