Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b4b3a4a6648c822b3a280212d44946933f4a1e4886a4fd47b1bdda71d0001adc:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^