Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6f978bda9495cdd91b28e26056a6164970e45360a04e7a0d4dc6f32dc4b6978b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^