Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e1aa39266364d5e7aa9fc93fa6a38fb3e940fe1730724b193459bde39e451a9e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^