Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e4416a3763c95f78e193cb1437fe38323e6cc57a4d21dcb3691414f0a475d134:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^