Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fa7c025d6fdcf56fd6c7e71e6960246c811dc7f154d824d29cbfbc4f2e264025:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^