Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> de2f0318e5de2552c5a1d16214f536b77bab99ca89eb4ad149dbc8d006728cfc:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^