If you are facing following error which Database space error on Sql server for ERP.
"The database reported (session 2 (-AOS-)): Database space problem - 'AX2009_Test' is out of space"
Then you can do following to resolve this error.
1. Clean unwanted file from c drive or other drive where database stored.
2. Shrinking database log and data files can also help to free some space.
3. If you database size growing fast then increase hard drive volume or move database to other drive.
4. Clean log files which is bigger size.
5. Use disk cleanup tool.
6. You can Shrink other database which is not related to ERP.