Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c06edfd902fa0a90f3056aa9e6ba4262037f8e69662300cc8f42bbc9935d3c8b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^