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CA2017: Parameter count mismatch

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Property Value
Rule ID CA2017
Title Parameter count mismatch
Category Reliability
Fix is breaking or non-breaking Non-breaking
Enabled by default in .NET 8 As warning

Cause

The number of parameters supplied in the logging message template does not match the number of named placeholders.

Rule description

This rule flags logger calls that have an incorrect number of message arguments.

How to fix violations

Match the number of placeholders in the template format with the number of passed arguments.

When to suppress warnings

Do not suppress a warning from this rule.

See also