Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b80be18160306a9fce35147f4492a8b7999998f142910df5875bc0f138faa64a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^