Delphi Error – E2326 Attribute ‘%s’ can only be used once per target

Delphi Compiler Error

E2326 Attribute ‘%s’ can only be used once per target

Reason for the Error & Solution

This attribute can only be used once per target Attributes and their descendants may be declared with an AttributeUsage Attribute which describes how a custom Attribute may be used. If the use of an attribute violates AttributeUsage.allowmultiple then this error will be raised.