Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 20224ec46a99b55de44acd906166953b49532132b22233a3384239aaf9aa3705:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^