i.e. if you have one command that errors.
for example if you have an error on the line
tssem2(cfa1, Amatrix = A, Smatrix = S, Fmatrix = F, diag.constraints = FALSE)
only.
then, quote that line, use the forum code formatting to print it nicely, also use dput on each param in turn and provide them as code in the post also, so that the param call can be reconstructed.
A minimal reproducible example consists of the following items:
A minimal dataset, necessary to reproduce the issue
The minimal runnable code necessary to reproduce the issue, which can be run
on the given dataset, and including the necessary information on the used packages.
Let's quickly go over each one of these with examples: