How To Fix SY291 - Name unknown

SY291 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 291

• Message text: Name unknown

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 SY291 - Name unknown ?

  The SAP error message SY291: Name unknown typically indicates that the system is unable to recognize a specified name, which could be a variable, function, or object in your ABAP program or configuration. This error can occur in various contexts, such as when trying to access a database table, a function module, or a variable that has not been defined or is misspelled.
  Causes:
  
  Typographical Errors: The name you are trying to use may be misspelled or incorrectly formatted.
  Undefined Variables: The variable or object has not been declared or defined in the program.
  Scope Issues: The variable or object may be out of scope, meaning it is not accessible in the current context.
  Missing Includes or Libraries: If the program relies on external includes or libraries that are not available or not included properly, it can lead to this error.
  Database Table Issues: If you are trying to access a database table that does not