Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1c11ab83296947fa1e415f8ea8a44ee9bb6e1d879d51354c57b9a853f3ae0ce3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^