Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9cfab64c136ad966d1d0ade78f0a1e76897360298c9a76ea9f11d57b361d93d3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^