Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1b783d8403634493bda29bfc4f9257f64c9af44080e2e1c5ede320a54f3e68aa:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^