Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc5c2a014da567df403265905235b0a0c6992f2d2cc76246fb1373b3f36a3d13:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^