Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a13627ecc83129a82d347477b0f2d039b8164b3e8c8d30d7118f359a107b7b15:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^