Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 292d73d34571ac492640227f2803874577f4da93d55614267d0c91e276e41692:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^