I can't help directly with a response to your question.
You can help someone who knows more about this by providing as a minimum the code that you ran that generated this error.
Call for @PaigeMiller - this seems like something up your alley.
I found the following link that points to the HAYWOOD option. Note that a communality>1 means a negative error variance (Hah!), or at least negative eigenvalues. Anyhow, you could try what is here on Peter Westfall's website
SteveDenham
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ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.
Find more tutorials on the SAS Users YouTube channel.