Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ad310196150d3804c6f3de3e63bb9716785d3a8afeb4530690c24377f1decb9a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^