Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3ecbb9003ed475d88a855339f800578d0b62702fdbd6403f39e7de4d5dcfb6d5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^