Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1d665e565d21b40f65a7d65e13a50c51f70b6fbd27bbc43a7858c39f56a72557:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^