Prevent possible 'System.NullReferenceException'

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Remove unmatched closing brace in format string

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Prevent possible 'System.NullReferenceException'
Add error arguments to format string.
Remove unmatched closing brace in format string
Prevent possible 'System.ArgumentNullReferenceException'
Add error arguments to format string.
Correct format string argument.
Prevent possible 'System.NulReferenceException'