Hello @Adele3,   Let me answer your question in your thread PROC MIXED: ICC 95% CI, not in someone else's which should have been closed years ago. ... View more

Rather than using QPOINTS=50. I would suggest try using           METHOD=QUAD(FASTQUAD)   to see if your model can be estimated.  If  you still obtain the message about memory, then check the memsize option associated with your operating system?  How much memory do you have available?  You can try increasing the memsize to larger value.   However, I would also be concerned given the number of variables in your model you might have some quasi-separation issues and might have consider an alternative model with fewer effects.   You might find the following paper   https://www.sas.com/content/dam/SAS/support/en/sas-global-forum-proceedings/2018/2179-2018.pdf   helpful as it discuss various model issues such memory, quasi separation, etc when using PROC GLIMMIX           ... View more

Thank you so much!  My issue has been solved. Your suggestion was really helpful. ... View more