Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3597adbc78e7c4919113045e542d9fb28d88c75654e4e094a6ab78b6bcb8e60d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^