Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b25f0c464ab2beaba405ac7a4f1be0a9ccef5c69c9412b32805f56146f6ca1a2:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^