Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 02f8cdbb01073ad6db67103abc2abfda62a28660a79338de2ea0a2c5d7cbfbbc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^