Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5fa22a638b4929e1e721eabed59d0e6421e5b3b8c7f39cf3dfb55b853dd0479f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^