Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> af08dca4a5af5b0abb87d12b4c04bb49904a351128c29b14a0756bfaac9fa8e7:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^