Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18be965121f4b75b1163449aff4fa7bdccf4f6bfb8cab1aa2bf40cf12720603c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^