Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6f78dec0ddd6f8fad9efd27c3d3ea33e4aec0b83742cff16981fe714950f529e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^