Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a0fc3912012376891158723825d6c11b3c77aca6ea6252730e50849dcef6e1e9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^