Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 19ca99a5257523d4f74f412b2f35729589a56d60716f0a2e963b9198c4a51339:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^