Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1bce49d73cf65a020da5169d8dc0ff2ec67d55923e987da5a196e99f9dac1676:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^