Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b46282b6adc9caafde1b944c4d3da15d400c5b49c35b8d37a43d35ec65b71aeb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^