Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e73ecb5d1afe8049b618ffc91f1bd18e5415adec8dff2301fb40cc45887afaf8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^