Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f167993ba9c1062b5d3af21aeac48e401b8ac66e8419c3d0943e6bb992a0781a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^