Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3329f63e8f4abfe5fb465a5100387c6396dae65fb549de5d0e07b4f4dd8e5044:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^