Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9ed00e1afa9186cf66d84f0f03b098074811d75f93e1d62794341f2b7b3c8c04:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^