Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e1f10ca955659f83f164f19fb97c384b5cf1accf92997e4a6540d0f52b1d8a0e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^