Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df100e2cbbe7ae8be63d660a559eb003ddf69e94f3ce361ae75e16109c8d9d36:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^