Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20dc747e32e6623b619e1299dc60d45845d54b82a431194d93a448671bdcd8c2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^