Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ded80f2d036724c56db266511daa0bfb39d7297cb18a4d63adee582bda7250d2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^