Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> da75469c72018f6e705268c24d851ba4efd3c483d8ea2cf99da6f013137f56cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^