Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21dd8108a83939771476f77f88b1883144d751850c910b4aff9e326c961d0def:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^