Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7afa921a0849b77f8102c3462f3672d8b21ef09222e7bfed73d74c910f1cf3e1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^