Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c6ae2bd0a67dd867853b27d8455f9d005e986d544f57b3cc5b3d20b967fd138d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^