Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 234e2d1761687095837d7e076f70d9c966df584a96f88de1e07c0ee88a1c1e13:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^