Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b104c9ff6a58ae3b12d27563c4a69c51eaf390ed4a43042c14d7b8028ccbfeda:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^