Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ab396db41dab27352144840b59b5e39738be471020e33246c683f7c3d15c03cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^