Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> df173974434b8992f96c32ecfa152322aad504ee77a219e375f8451973f2b7c0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^