I also received mine in about 5 days, however, you should wait a little longer before you panic

. Hopefully "score not reportable" just means that it isn't available yet. Did you receive your unofficial score the day of the exam?
Technically, it could take up to 20 days to receive your scores. From
https://www.mba.com/the-gmat/answers-to- ... px#scores2:
Q: When do I get my scores?
A: You will get an unofficial score report with Verbal, Quantitative, and Total scores immediately after you test. Official Score Reports are available online within 20 days to you and to the programs you requested to receive them. To learn more about scoring and score reports, visit GMAT Scores and Score Reports.