Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 61bbc74b66acbebe1443e7f9eaa20cdefc1cb0858410da709d82558f59bc1f85:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^