Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6867ca8be960623799239cd917f77607fca669fcde180b124e0603c1f1e8363f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^