Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> db7c19cc5c73f878d0dd680243b1885e54107b65488b188026533dde576eabd8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^