Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb9f3bd035a7d51f386feb13907ff2b6ee17d96b21aebc8cddda7ee38aa41c32:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^