Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de522e001b7f03d01a9546956163d6f33a7dded011f86bcd699f650d10bf88cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^