Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 353d24a2f8b146545e8fb92c35f7f9253f22c30d85834064fa8b73d4f12ccce9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^