Hello,
While I cannot help with the error message (I don't grasp why you would have 'invalid characters'), I can suggest you to read these articles. I'm sure you are interested, given your original question:
Paper 3018-2019 (SAS Global Forum 2019) Predicting Inside the Dead Zone of Complete Separation in Logistic Regression Robert Derr, SAS Institute Inc., Cary, NC https://www.sas.com/content/dam/SAS/support/en/sas-global-forum-proceedings/2019/3018-2019.pdf
Odds ratio plots with a logarithmic scale in SAS By Rick Wicklin on The DO Loop July 29, 2015 https://blogs.sas.com/content/iml/2015/07/29/or-plots-log-scale.html
Cheers,
Koen
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