Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d8020ca1e7255526ead089e7e85732be8e7d36c97fb29b8016ed5da96d5203b2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^