Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 45f43687e38f7144a6792242921bae2aaf81a4b6c084b8e35a79a259ba05cfcf:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^