Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e97f7afda5d609f48414657c2dc613530fa1c5f83ca08ce324cf45bf4aa5ba0c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^