Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7b77cf143e03eb2b0d64c592a80d0f26febd5021363a1f07e5fb454cab8363cb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^