Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 74a5820b9bd494d1b105c9310965448eb82f8089a5bb798aa1a3b9b11786d19a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^