Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 81d05e8058056cfb874ee6955e918bccfa3904d2e234b9d1b36a53caecb0d01e:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^