Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bc3fbead01eb3a3202fdf3617d541ac58b08c9a042081486bc2bc5005cc4eb16:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^