Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9a365dadd7999b2b366ab239b4e0b7143f9f22083e7fbd5d259fd7db9066dab2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^