How To Fix SDME_MDB329 - No tab position allowed for the header and key area

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_MDB - DME: Maintenance Dialog Builder

• Message number: 329

• Message text: No tab position allowed for the header and key area

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDME_MDB329 - No tab position allowed for the header and key area ?

  The SAP error message SDME_MDB329 ("No tab position allowed for the header and key area") typically occurs in the context of the SAP Sales and Distribution (SD) module, particularly when dealing with the configuration of the screen layout or the user interface in transaction screens.
  Cause:
  This error usually arises when there is an attempt to use tab positions in areas of the screen where they are not permitted. Specifically, it can occur in the header or key area of a screen layout where the system does not allow tabbing to different fields or sections. This can happen due to:
  
  Screen Configuration Issues: The screen layout might be incorrectly configured, leading to an attempt to set tab positions in areas that do not support them.
  Custom Development: If there are custom enhancements or modifications made to the standard SAP screens, they might inadvertently introduce tab positions in restricted areas.
  User Authorizations: Sometimes, user roles and authorizations can affect how screens are displayed and interacted with, leading to unexpected behavior.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Screen Configuration:
  
  Go to the screen configuration settings in the SAP GUI (transaction code SE80 or SE41).
  Review the layout of the screen to ensure that tab positions are only set in areas where they are allowed.
  
  
  
  Review Custom Code:
  
  If there are any custom enhancements or modifications, review the code to ensure that tab positions are not being set in the header or key areas.
  If necessary, consult with your ABAP developer to correct any issues in the custom code.
  
  
  
  User Authorizations:
  
  Check the user roles and authorizations to ensure that they are set up correctly. Sometimes, limited authorizations can lead to unexpected screen behavior.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues related to screen layouts.
  
  
  
  Testing:
  
  After making any changes, test the transaction again to see if the error persists. Ensure that the changes do not affect other functionalities.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE41 (Menu Painter), and SE93 (Transaction Codes) for screen and menu configuration.
  SAP Documentation: Refer to SAP Help documentation for detailed information on screen layout configuration and user interface guidelines.
  Community Forums: Engage with SAP community forums or user groups for additional insights and shared experiences regarding this error.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.