Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7d5c52dea9adba60bd064d0ba0e27fff4829d06ce1d6494f97a1c8f7613811bb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^