How To Fix CL593 - Multiple Objects Allowed is not permitted for class type &

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 593

• Message text: Multiple Objects Allowed is not permitted for class type &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL593 - Multiple Objects Allowed is not permitted for class type & ?

  The SAP error message CL593 ("Multiple Objects Allowed is not permitted for class type &") typically occurs in the context of object-oriented programming in ABAP when you are trying to create or manipulate instances of a class that is defined in a way that does not allow multiple instances.
  Cause:
  This error usually arises when:
  
  You are trying to create multiple instances of a class that is defined as a singleton or has been restricted to allow only a single instance.
  The class is defined with a specific type that does not permit multiple objects, such as a class that is intended to be used as a global utility or a service class.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Check Class Definition: Review the class definition to understand its intended use. If the class is designed to be a singleton, you should not attempt to create multiple instances of it. Instead, use the provided static methods or the single instance that is already created.
  
  
  Modify Class Design: If you need to allow multiple instances, you may need to modify the class definition. This could involve changing the class type or removing any restrictions that prevent multiple instances.
  
  
  Use Static Methods: If the class is designed to provide utility functions, consider using static methods instead of creating instances. This way, you can access the functionality without needing to instantiate the class.
  
  
  Review Object Creation Logic: Ensure that your code logic does not inadvertently attempt to create multiple instances of the class. If you are using a factory method or similar pattern, ensure it adheres to the intended design of the class.
  
  
  Related Information:
  
  Singleton Pattern: If the class is intended to follow the singleton design pattern, familiarize yourself with how to implement this pattern correctly in ABAP.
  Class Types in ABAP: Understand the different class types in ABAP (e.g., standard classes, interface classes, abstract classes) and their instantiation rules.
  Documentation: Refer to the SAP documentation for object-oriented programming in ABAP for more details on class design and instantiation rules.
  
  By following these steps, you should be able to address the CL593 error and ensure that your ABAP code adheres to the intended design of the classes you are working with.