How To Fix WL507 - System error when calling a control (&1->&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 507

• Message text: System error when calling a control (&1->&2)

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 WL507 - System error when calling a control (&1->&2) ?

  The SAP error message WL507, which states "System error when calling a control (&1->&2)," typically indicates that there is an issue with the communication between the SAP GUI and the underlying control or component that is being called. This error can occur in various scenarios, often related to the use of ActiveX controls or other GUI components in SAP.
  Possible Causes:
  
  Control Not Registered: The ActiveX control or component that SAP is trying to use may not be properly registered on the client machine.
  Version Mismatch: There may be a version mismatch between the SAP GUI and the ActiveX control or component.
  Corrupted Installation: The installation of the SAP GUI or the control may be corrupted.
  Permissions Issues: The user may not have the necessary permissions to access the control or component.
  Network Issues: There may be network-related issues affecting the communication between the SAP GUI and the server.
  
  Solutions:
  
  
  Re-register the Control:
  
  If the error is related to an ActiveX control, you can try re-registering the control using the regsvr32 command in the command prompt.
  Example: regsvr32 path\to\your\control.ocx
  
  
  
  Update SAP GUI:
  
  Ensure that you are using the latest version of the SAP GUI. If not, update to the latest version to resolve any compatibility issues.
  
  
  
  Repair Installation:
  
  If you suspect that the installation is corrupted, consider repairing the SAP GUI installation through the Control Panel.
  
  
  
  Check Permissions:
  
  Ensure that the user has the necessary permissions to access the control. This may involve checking user roles and authorizations in SAP.
  
  
  
  Check Network Configuration:
  
  Verify that there are no network issues affecting the connection to the SAP server. This includes checking firewalls, proxies, and network settings.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error.
  
  
  
  Related Information:
  
  SAP GUI Documentation: Review the official SAP GUI documentation for any specific requirements or configurations related to ActiveX controls.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Technical Support: If the issue persists, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the WL507 error in SAP.