Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 125585dc5f1da843c0549e644a137364a2aef47ea048d7e58f015bae5750328b:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^