Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b73e413885379adf9c413b55ee23ea4e9b14ab6ddf9556a5d5077a237eba431:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^