Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6f176b3d48900c36c151de6ec14f3579daf022475203da72eb397aa54f4d509c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^