Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 12f15609545dd9d53a9c831f1df1ef4cf67bf4bc47021401bccd36b110a9754c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^