Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64f5525738b6ad8e3b9ebb4f99b21d1c0041eac33dfdcb3dde3746558196dea3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^