Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c99697d72f8171ed6ef96325c0e731475dfdf7d6c0f59bad055c7282d551b4f9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^