Hello @Akash Sharma Thank you for reaching out to us on Microsoft Q&A platform. Sorry for the inconvenience this must have caused you!
Based on the details shared, I understand that you are trying to install MABS on one of the nodes in the cluster and encountered an error "'Invalid vault credentials provided. The file is either corrupted or does not have the latest credentials associated with the recovery service. (ID: 34513)"
As per support matrix - https://learn.microsoft.com/en-us/azure/backup/backup-azure-microsoft-azure-backup#using-an-on-premises-server
In short - This is not a supported scenario.
Sorry we cannot help you further in this matter!
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