Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0b5f8185695a66bc4e06ad82e9c337c184d2e509e56b5b924fbd0c13bb94d21c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^