Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e329c25a654177661cfeb08fafbceb021a7ef30a51dd8f8a9812973791135f11:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^