Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4be5281d5081ea08ad56a591a8f7a5cd330c9e6d13f2a22780fcc699da5a1828:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^