Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d691a6f7a7082d75be531f1e7e931e4e1a5c20cb64c084372a50f09360b47f75:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^