Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 42b9eb9ee772507eb1e10215bf1e8f3de6e5cc803865c4234caa9a0383a38e98:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^