Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0b6b76c28882eed053a9bd3f9a89abbd85c09d24aa8c345398fdca1bbd321105:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^