Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2fb7499d406ba36cf224425926cda2eaaa8238f739d27f1c7f90559ddc4f7c66:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^