Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0ccc82648d737c9d80a45ea7e75ac4f82fc440baa5e30933a62b9cc0407cb04c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^