How To Fix UJ0_EXCEPTION018 - Failed to create DDIC table (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: UJ0_EXCEPTION - Basic Exception Messages

• Message number: 018

• Message text: Failed to create DDIC table (&1)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UJ0_EXCEPTION018 - Failed to create DDIC table (&1) ?

  The SAP error message UJ0_EXCEPTION018, which indicates a failure to create a Data Dictionary (DDIC) table, can arise from various causes. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to create DDIC objects.
  Naming Conflicts: The table name may already exist or conflict with existing objects in the system.
  Technical Settings: Incorrect technical settings or parameters for the table being created.
  Database Issues: Problems with the underlying database, such as connectivity issues or database constraints.
  Transport Issues: If the table is being created as part of a transport request, there may be issues with the transport configuration.
  System Configuration: The system may not be properly configured to allow the creation of new DDIC objects.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create DDIC objects. This can be done by checking the user's roles and authorizations in transaction SU53 or SUIM.
  Verify Table Name: Check if the table name already exists in the system. You can use transaction SE11 to search for existing tables.
  Review Technical Settings: Ensure that the technical settings for the table are correctly defined. This includes checking the data element, field types, and other parameters.
  Database Connectivity: Check the database connection and ensure that the database is up and running. Look for any database-related error messages in the system logs.
  Transport Configuration: If the table creation is part of a transport request, ensure that the transport is correctly configured and that there are no issues with the transport layer.
  System Configuration: Review the system configuration settings to ensure that the environment allows for the creation of new DDIC objects. This may involve checking system parameters or consulting with your Basis team.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE11: Data Dictionary (to check existing tables and create new ones)
  SE80: Object Navigator (to manage development objects)
  SU53: Authorization Check (to analyze authorization issues)
  ST22: Dump Analysis (to check for short dumps related to the error)
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Logs and Traces: Review system logs (transaction SM21) and developer traces (transaction ST11) for any additional error messages or clues related to the failure.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.