Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b5be5b0df4e1fd8991403a39b2a1d60e690733fbbab9c1ac07659d5c93dec47:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^