Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4f1dbb748c1194aea8b0a45736c7d92ed4ba84295ab147ad88a1702162ed9a39:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^