Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df2a2809fdd293f1db57d83dc1c33b0b803a390050cc478939b02bf0ad2e3ce2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^