Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ce8a996fef1b10bf35eba7ce683a3011b637cdcc10a582fcf62be03db9ca3621:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^