Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 19f88b10dfc1e80c892dabbfc0f748633eecef2ceec67350caa6ed30faa9838a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^