Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b0d2b10051d9dcfa0759c63b430c8817aa98d8c2204cd38853e64db07ebe2495:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^