Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e3b6ff53facd105151f3ff728bb64d37091d9b31374c201fdcd71dcc95f7b20a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^