Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 58c9a1cb57ef78623178f9da58e0ae1bfca816bf3918fdc411f63cf19c26db1d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^