Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae8089ad33448754e0b354d3c5eeb586f78260b462789e3a921c7eae32ea3a70:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^