How To Fix ED039 - Local data cannot be used in dynpros

SAP Error Message - Details

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 039

• Message text: Local data cannot be used in dynpros

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ED039 - Local data cannot be used in dynpros ?

  The SAP error message ED039, which states "Local data cannot be used in dynpros," typically occurs when there is an attempt to use local data (variables defined within a specific program or function) in a screen (dynpro) that is not allowed. This is often related to the way data is handled in the context of SAP GUI screens.
  Cause:
  
  Local Variables: The error arises when local variables are referenced in a dynpro (dynamic program) context. Dynpros require data to be defined in a global context or in a way that is accessible to the screen.
  Screen Fields: If you are trying to bind a local variable to a screen field, it will not work because the screen expects data to be defined in the program's global data section or in the context of the screen's PBO (Process Before Output) and PAI (Process After Input) modules.
  
  Solution:
  
  Define Global Variables: Move the local variable definitions to the global data section of your program. This way, the variables will be accessible to the dynpro.
  DATA: gv_variable TYPE your_type.
  
  Use the Correct Data Declaration: Ensure that any data you want to use in the dynpro is declared in the appropriate context. For example, if you need to use a variable in a screen, it should be declared in the global section of the program.
  Check Screen Flow Logic: Review the flow logic of your dynpro to ensure that the data is being passed correctly between the PBO and PAI modules.
  Use Field Symbols or References: If you need to work with dynamic data, consider using field symbols or references that can point to the data you need without violating the local data restriction.
  
  Related Information:
  
  Dynpro Programming: Understanding how dynpros work in SAP ABAP is crucial. Familiarize yourself with the concepts of PBO and PAI, as well as how to manage screen fields and data flow.
  ABAP Data Types: Review the different data types and their scopes in ABAP to ensure that you are using the correct type for your variables.
  SAP Documentation: Refer to the official SAP documentation or help resources for more detailed explanations and examples related to dynpro programming and data handling.
  
  By following these guidelines, you should be able to resolve the ED039 error and ensure that your dynpro screens function correctly with the appropriate data.