Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 117a9c7d256ca208e1646af9b59379b295194963d8b2f8298c5cfcc06fa031eb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^