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Unity Burst Compiler Warnings

Accessing managed indexers is not supported  

Accessing managed indexers is not supported.

Accessing managed methods is not supported  

Accessing managed methods is not supported.

Boxing is not supported  

Boxing is not supported.

Burst: String.Format(format, ...) invalid argument type  

Burst: String.Format(format, ...) invalid argument type.

Burst: The variable resolves to System.String, which may result in invalid managed method calls at the Burst-compiled call stack  

Burst: The variable resolves to System.String, which may result in invalid managed method calls at the Burst-compiled call stack.

Creating a managed type is not supported  

Creating a managed type is not supported.

Debug logging functions only accept strings  

Debug logging functions only accept strings.

Function signature cannot contain managed types  

Function signature cannot contain managed types.

Loading from a non-readonly static field is not supported  

Loading from a non-readonly static field is not supported.

Loading managed type is not supported  

Loading managed type is not supported.

Shared static type parameter requires the unmanaged constraint  

Shared static type parameter requires the unmanaged constraint.

Some SharedStatic`1.GetOrCreate overloads cause compiler errors  

Some SharedStatic`1.GetOrCreate overloads cause compiler errors.

String.Format(format, ...) only accepts string literals and const strings  

String.Format(format, ...) only accepts string literals and const strings.

The 'foreach' construction is not supported  

The 'foreach' construction is not supported.

Try statement is not supported  

Try statement is not supported.

Typeof is prohibited in Burst  

Typeof is prohibited in Burst.

Writing to a static field is not supported  

Writing to a static field is not supported.

Last modified: 02 March 2026