Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15aa2b808bc363f3f9a8a3d9a761053a98b8f74994c56b3d45d062d54e416b7a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^