Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0ee28fc9f0f97a17551a6e46c7e1e4d0dcc1c23138b60996a1632b69391db918:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^