Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b8fade545eddb9b1e0191a0f4839844e86e6425da5813b974c046549ff9813b3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^