Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9a5cade56d95bb6d6660d9db0cedcd779171235c591b17602275d240d6e93292:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^