Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9389ac3a1f3adcd18a8b1b550b2721e221800241e08566f40dd4323e989d21d1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^