How To Fix SIG156 - Insert your card properly into card reader

SAP Error Message - Details

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 156

• Message text: Insert your card properly into card reader

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 SIG156 - Insert your card properly into card reader ?

  The SAP error message SIG156, which states "Insert your card properly into card reader," typically occurs in scenarios where a user is attempting to authenticate or log in using a smart card or similar device, and the system is unable to read the card properly. This can happen for several reasons:
  Causes:
  
  Improper Card Insertion: The card may not be inserted correctly into the card reader. It should be inserted in the right orientation and fully seated in the reader.
  Card Reader Issues: The card reader itself may be malfunctioning or not properly connected to the computer.
  Card Damage: The smart card may be damaged or dirty, preventing it from being read correctly.
  Driver Issues: The drivers for the card reader may be outdated or not installed correctly.
  Software Configuration: There may be issues with the SAP software configuration or settings related to card authentication.
  User Permissions: The user may not have the necessary permissions or roles assigned in SAP to use the smart card for authentication.
  
  Solutions:
  
  Reinsert the Card: Remove the card and reinsert it, ensuring it is oriented correctly and fully inserted into the reader.
  Check the Card Reader: Ensure that the card reader is properly connected to the computer. If it is a USB reader, try plugging it into a different USB port.
  Clean the Card: Inspect the smart card for any dirt or damage. Clean it gently with a soft cloth if necessary.
  Update Drivers: Check for and install any updates for the card reader drivers. This can usually be done through the device manager on your operating system.
  Check SAP Configuration: Review the SAP configuration settings related to smart card authentication. Ensure that everything is set up correctly.
  User Role Verification: Verify that the user has the appropriate roles and permissions assigned in SAP to use the smart card for authentication.
  Test with Another Card: If possible, test with another smart card to determine if the issue is with the card or the reader.
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for troubleshooting smart card authentication issues.
  Support Forums: Check SAP community forums or support channels for similar issues and solutions shared by other users.
  IT Support: If the problem persists, consider reaching out to your organization's IT support team for further assistance.
  
  By following these steps, you should be able to resolve the SIG156 error and successfully use your smart card for authentication in SAP.