Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6b7cbbc79da9f252c88ed3f6b8e0644bee1bd1e86643caeab42c595009e40a29:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^