Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d99e8ba961d166f1e3e568f6e9e8ef859799f7ea197c1aaa8973d52a8ceca22f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^