Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a60d42939211b23818151d5f460183aa5dd2426d173457b8a1a805e46712ced:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^