Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0ea2d3abdf5d8344c1f9c159b2123b1d6dd0cda1ec9eb0ca0fc3f911f97edcc1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^