Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 350b349627fb9845874c9b44a1f6f948e3f8be2c8dd46684e4d0cff96db67621:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^