Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4887c3065cb72eb45a104751223a1a310da37487f8f69ccec1f812055ec40d3a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^