Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 75e511be52404b110d27a4ef9c3d9ca1b80fbcc9dbc39fa2a97573eab6df3187:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^