Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> afe8acf9c6d9611764daf0b4234e05bf1c41d65b4defd80ecda9e5f5fcf700f3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^