Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8128d410c3ba15210feed1293cce3dd5ae5b5c48ecda0e876611b6a3a0bb6b3c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^