Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2bab68c1b664890145b9ae0a9c0d6ace245dbf34d7ea21470617ff6997c9a14a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^