Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c48c6b1a713e8e578b9291478032fa8fc9bff26542656d0edb4a40f93f1d2a7d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^