Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 211360c2efca31e0bf6a4cc5bdb78ac1985cab7d0050563797fa8593b44589f5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^