Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5c99e39ed091d5df8a4f2d1f54685a4d9b36e5346d954b96b2bfa61020babec2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^