Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 969cba153edbe6f43fa16d325bf89e6f9427d80ed3602855ecfb33d7df4320b5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^