Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e57037d3a2738b5bc5bb8edeaec554a4353552b0cb3a6fbfbc15dddb6c450754:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^