E3121 Types Errors

Types

cannot use '%s' as a condition in a when statement; allowed types are int, uint, string, char, byte, bool, float, and enum

When this occurs

This error is triggered when: cannot use '%s' as a condition in a when statement; allowed types are int, uint, string, char, byte, bool, float, and enum

Example error message

error[E3121]: cannot use '%s' as a condition in a when statement; allowed types are int, uint, string, char, byte, bool, float, and enum

How to fix

Review the error message and check your code at the indicated location. The message describes what went wrong — fix the underlying issue it identifies.

Related errors

No related errors.