Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d812ef2176eb3595979706e82f97077152599432d3c43a875f19b35d9235bb08:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^