Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> dafe32e539da1da941568b50134842b3b832b9c98a043982141a99de88453509:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^