help with this error

TITLE: Microsoft SQL Server Management Studio
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An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)

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ADDITIONAL INFORMATION:

CREATE DATABASE permission denied in database 'master'.
RESTORE HEADERONLY is terminating abnormally. (Microsoft SQL Server, Error: 262)

For help, click: https://docs.microsoft.com/sql/relational-databases/errors-events/mssqlserver-262-database-engine-error

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BUTTONS:

OK
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