Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 028e638cc759be6d444fa1a46228e7bee2921effe3f96924382555ef879ebf9d:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^