Incompatible database version?

Incompatible database version?

Hi there,
 
I tried to upgrade my 8116 ver. to to 8121 but suddenly failed. Now i prepared one new server to restore my database while i'm checking on the current server. Once i tried to restore the database from backup, nothing happen and now both my server failed to operate. somebody please help me. is it possible because the new version 8121 not support not very old database version (build no: 8.16).... many thanks in advance

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