How To Fix SF156 - Header of model program not found

SAP Error Message - Details

• Message type: E = Error

• Message class: SF - SAPfind: Message Texts

• Message number: 156

• Message text: Header of model program not found

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SF156 - Header of model program not found ?

  The SAP error message SF156: Header of model program not found typically occurs in the context of SAP's ABAP programming environment, particularly when dealing with model programs or function modules. This error indicates that the system is unable to locate the header information for a specified model program, which is essential for executing or referencing that program.
  Causes:
  
  Missing Model Program: The specified model program may not exist in the system or may have been deleted.
  Incorrect Program Name: There could be a typo or incorrect naming in the program reference.
  Transport Issues: If the program was recently transported from another system, the transport might not have included all necessary components.
  Authorization Issues: The user may not have the necessary authorizations to access the model program.
  System Configuration: There may be configuration issues in the SAP system that prevent the program from being recognized.
  
  Solutions:
  
  Check Program Existence: Verify that the model program exists in the system. You can do this by using transaction SE80 (Object Navigator) or SE38 (ABAP Editor) to search for the program.
  Correct Naming: Ensure that the program name is spelled correctly in your code or configuration.
  Transport Check: If the program was recently transported, check the transport logs to ensure that all necessary components were included and successfully imported.
  Authorization Check: Ensure that the user has the necessary authorizations to access the model program. You can check this using transaction SU53 to see if there are any authorization issues.
  Recreate the Program: If the program is missing and cannot be found, you may need to recreate it or restore it from a backup if available.
  Consult Documentation: Review any relevant documentation or notes from SAP that may provide additional context or solutions for this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. You can search for notes using the SAP Support Portal.
  Debugging: If you have access to debugging tools, you can use the ABAP debugger to trace the execution and see where the error occurs.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.