Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 92ac213432b767d5ad9613753fa0ef02d23c9b6d63d6711ae1074e6baa47c59f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^