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Message type: E = Error
Message class: C$ -
Message number: 744
Message text: Generation source & is not a class of class type &
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C$744
- Generation source & is not a class of class type & ?The SAP error message C$744 typically indicates an issue related to the generation of a source code or a class in the ABAP environment. This error can occur when the system is unable to recognize a specified source or class type, which can be due to various reasons. Here’s a breakdown of the potential causes, solutions, and related information:
Causes:
- Incorrect Class Type: The specified class or interface may not be defined correctly or may not exist in the system.
- Syntax Errors: There may be syntax errors in the ABAP code that prevent the system from recognizing the class.
- Missing Dependencies: The class or interface may depend on other classes or interfaces that are missing or not activated.
- Transport Issues: If the class was transported from another system, there may have been issues during the transport process.
- Authorization Issues: The user may not have the necessary authorizations to access or generate the specified class.
Solutions:
- Check Class Definition: Verify that the class or interface is correctly defined in the system. Use transaction SE24 (Class Builder) to check the existence and definition of the class.
- Review Syntax: Check the ABAP code for any syntax errors. Use transaction SE38 or SE80 to edit and check the code.
- Activate Classes: Ensure that all dependent classes and interfaces are activated. You can activate them in the Class Builder (SE24).
- Transport Logs: If the class was transported, check the transport logs for any errors or warnings that may indicate issues during the transport.
- Authorization Check: Ensure that the user has the necessary authorizations to access and generate the class. This can be checked in transaction SU53 or by consulting with your security team.
- Recompile: Sometimes, recompiling the class or related objects can resolve the issue. You can do this in the Class Builder.
Related Information:
If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further investigation.
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