Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 21448d5255280000ce0f8049b1ce67995cccdbc62cf5dd7e41a6f60855aaca8a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^