Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb9b89b5f1161b6656a9cf6598860fde6f59051d2f72f815cb4080f24dd3f822:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^