Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aed95927b6fcb4e4634645d9f8689c6eaadad3b2fb5e06d42c851854281433a2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^