How To Fix /SAPAPO/TDL_DAO093 - Reading of table structure for datasource &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TDL_DAO -

• Message number: 093

• Message text: Reading of table structure for datasource &1 failed

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 /SAPAPO/TDL_DAO093 - Reading of table structure for datasource &1 failed ?

  The SAP error message /SAPAPO/TDL_DAO093 Reading of table structure for datasource &1 failed typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the data source configuration or the underlying database structure. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Data Source Configuration Issues: The data source specified in the error message may not be correctly configured or may not exist in the system.
  Table Structure Changes: If there have been recent changes to the underlying database tables or structures that the data source relies on, this could lead to the error.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to read the table structure.
  System or Transport Issues: If the system has recently undergone a transport or upgrade, inconsistencies may arise that affect data source access.
  Database Connectivity Issues: Problems with the database connection or the database itself can also lead to this error.
  
  Solutions:
  
  
  Check Data Source Configuration:
  
  Verify that the data source specified in the error message is correctly configured in the system.
  Ensure that the data source exists and is active.
  
  
  
  Review Table Structures:
  
  Check if there have been any recent changes to the database tables that the data source relies on.
  If changes were made, ensure that the data source is updated accordingly.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the data source and the underlying tables.
  You may need to consult with your security team to verify and adjust authorizations.
  
  
  
  System Consistency Check:
  
  If the error occurred after a transport or upgrade, perform a consistency check on the system.
  Use transaction codes like SE11 to check the table definitions and ensure they match the expected structures.
  
  
  
  Database Connectivity:
  
  Check the database connection settings and ensure that the database is up and running.
  Look for any database-related errors in the system logs.
  
  
  
  Recreate Data Source:
  
  If the issue persists, consider recreating the data source to ensure it is correctly set up.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) or RSC1 (DataSource Maintenance) to manage and troubleshoot data sources.
  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 application logs (transaction SLG1) for more detailed error messages that could provide further insights into the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.