Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2f142b4e568991e1e5e4084245983d96a16498495d9919d9c7236b7e3ec7743f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^