Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5669c3f2352db0dd22ff08f44fd0733bdbba237d20a1ab02e3913967268f6745:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^