Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5fa3d049727b288afd4cf67c42cd6aecd85e2b8896f04460ccda336b45c1e5a6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^