Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 64f887583fd807949b431743f1a4cecf3e9719666da2880a11e7ecd2fd1c9387:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^