Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7209ced917cd1b734b441649757764a984063fe5aac74194668a56464706a74d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^