Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2986fd57b07cbe567cab0f7fcaccc291c893b2bacf0bceba1661b0570cfd6c90:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^