How To Fix EU517 - Illegal parameter value &=&

SAP Error Message - Details

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 517

• Message text: Illegal parameter value &=&

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 EU517 - Illegal parameter value &=& ?

  The SAP error message EU517 "Illegal parameter value &=&" typically indicates that there is an issue with the parameters being passed to a function or transaction in SAP. This error often arises when the system encounters an unexpected or invalid value in the parameters, which can happen for various reasons.
  Causes:
  
  Incorrect Parameter Values: The parameters being passed to a function module or transaction may contain invalid characters or formats.
  Missing Required Parameters: Some required parameters may not have been provided, leading to the system being unable to process the request.
  Data Type Mismatch: The data types of the parameters may not match the expected types, causing the system to reject them.
  Configuration Issues: There may be issues with the configuration of the relevant module or transaction that is causing the parameters to be misinterpreted.
  Custom Code Issues: If there is custom code (e.g., ABAP programs or enhancements) involved, it may be incorrectly handling the parameters.
  
  Solutions:
  
  Check Parameter Values: Review the values being passed to the function or transaction. Ensure that they are valid and conform to the expected formats.
  Review Documentation: Consult the SAP documentation for the specific function or transaction to understand the required parameters and their formats.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints to inspect the values of the parameters being passed and identify where the issue arises.
  Check Custom Code: If there is custom code involved, review it for any logic that may be incorrectly setting or passing parameter values.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error message.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the module you are working with.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  System Logs: Review system logs (transaction SLG1) for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the EU517 error in your SAP system.