Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66da9b52fa14ed30510f7de82f721b0bf5f0deec7cbc155efc5750f720e4ba1a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^