Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 77536075c4dbd9f3687b8e2e84b5f70f50c62a3112b91d18eed21f39a43787f8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^