Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 79f9ae5d3b93172cdc9dbacd60f419a0368fceedd5589922cfefa968716bbf15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^