Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 51899c2d2f29daa8dda6faaac0a43d48f472cd53dfeac380f25b018b1453d5f3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^