Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 024f7172009087bf8dcefa14c563f341066e9dcc859a3c3532d1d1ce4c9daf6d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^