Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bdaf118a6a318e549eb56717e8348f99d498951123f6f1929a4e89fdd68331c4:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^