Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f3b41652b5da1273e7786e1c40fe1cf91b9adbe1ed22a66aba4aaab38d813aaa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^