Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09bee88e8267dff56e806b4681e2e4e84d1716dd8356cc6b34aaf817ff4aa74b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^