Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ddbebeea2c592ef43b92baa51d3fec2f3f6af8df802a64319c042c76c159e62c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^