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This diagnostic occurs when you specify a decorator that isn't supported by the type of the syntax being decorated.
Description
The decorator <decorator-name> can only be attached to targets of type <data-type>, but the target has type <data-type>.
Level
Error
Solutions
Use the valid decorators based on the data types.
Examples
The following example raises the diagnostic because @maxValue() is for the integer data type, not for the string data type.
@maxValue(3)
param name string
You can fix the diagnostic by providing the correct decorator for the data type:
@maxLength(3)
param name string
For a list of decorators, see Decorators.
Next steps
For more information about Bicep diagnostics, see Bicep core diagnostics.