Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 07def1323cbb6e8473b14415595a176b7b26b41404918c2021eadadb498841ae:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^