Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f8b79021992fc3c46e3af2d49c98b479c37a1438b4223f300b76baae27161cab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^