Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3e9721da7f9d173193b7c58492206f5ef6acd137ce49f8854ab4f4e2eb226c72:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^