Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 910d51eafc94194b64336e8a86789c5cf3cc0d797390c9d8f6b6fba17b411e1c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^