Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 202e32dc82528d93a6e7177fdd7239d4ddbcbc7c43c1d659c30881a3456c2bfc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^