Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 313fca73be1e233691d9a0d8445eb35f93126508857f523855743af7bb261f8d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^