Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ac899db5dabaca3ec9560d8a0a225926bf4368e016d3b3512b7a9d5082e357dd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^