Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 509ab7768371998554e501d6c381320de0e34c82082122d120d4ee425ea3676b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^