How To Fix SDME_MDB106 - Dialog pool &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SDME_MDB - DME: Maintenance Dialog Builder

• Message number: 106

• Message text: Dialog pool &1 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDME_MDB106 - Dialog pool &1 already exists ?

  The SAP error message SDME_MDB106 with the description "Dialog pool &1 already exists" typically occurs in the context of SAP's dialog programming, particularly when there is an attempt to create or register a dialog pool that already exists in the system.
  Cause:
  
  
  Duplicate Dialog Pool: The error is primarily caused by trying to create a dialog pool with a name that is already in use. This can happen if:
  
  The dialog pool has already been created in the system.
  There is an attempt to activate or transport a dialog pool that conflicts with an existing one.
  
  
  
  Transport Issues: If you are transporting objects between systems, there may be a conflict if the dialog pool is already present in the target system.
  
  
  Development Environment: In a development environment, multiple developers might inadvertently try to create the same dialog pool.
  
  
  Solution:
  
  
  Check Existing Dialog Pools: 
  
  Use transaction SE80 (Object Navigator) or SE11 (Data Dictionary) to check if the dialog pool already exists. Look for the name specified in the error message.
  If it exists, you may need to modify the existing dialog pool instead of creating a new one.
  
  
  
  Rename the Dialog Pool: If you are developing a new dialog pool, consider renaming it to avoid conflicts with existing objects.
  
  
  Transport Management: 
  
  If the error occurs during a transport, ensure that the dialog pool is not already present in the target system. If it is, you may need to adjust your transport request or remove the conflicting object from the transport.
  
  
  
  Delete Unused Dialog Pools: If there are obsolete or unused dialog pools, consider deleting them if they are not needed.
  
  
  Check for Locks: Sometimes, the dialog pool might be locked by another user or process. Ensure that no other processes are using the dialog pool when you attempt to create or modify it.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SE80: Object Navigator
  SE11: Data Dictionary
  SE37: Function Module
  SE38: ABAP Program
  SE24: Class Builder
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to dialog pools and this specific error message.
  
  
  Documentation: Review SAP documentation on dialog programming and the creation of dialog pools for best practices and guidelines.
  
  
  By following these steps, you should be able to resolve the SDME_MDB106 error and successfully manage your dialog pools in SAP.