Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> acc1463f0166e17d9becf13fb4c53ed054958db1cbec572298ccb5be354fd663:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^