Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 06ecbcafcddca3757db40666ebd4f36853a11ef6f8c85ae8c8ebada708f179fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^