Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d7c093c0ca56a10272cdb7d93fe439c2903ddaeae3fb612912de8009bd492cb9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^