Message type: E = Error
Message class:  TAX_EXEMPT - Message class for tax exempt certificate 
Message number: 006
Message text: Tax exempt certificate &1 is blocked
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.
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.
The SAP error message TAX_EXEMPT006 indicates that a tax-exempt certificate is blocked. This typically occurs in the context of managing tax exemptions for customers or vendors in the SAP system. Here’s a breakdown of the cause, potential solutions, and related information: Cause Blocked Status: The tax-exempt certificate has been marked as blocked in the system. This could be due to various reasons, such as: The certificate has expired. The customer/vendor associated with the certificate is blocked. The certificate is under review or has been flagged for some compliance issue. Data Entry Errors: There may be errors in the data entry related to the tax-exempt certificate, such as incorrect dates or missing information.
Configuration Issues: There may be issues with the configuration of tax exemption settings in the SAP system. Solution Check Certificate Status: Navigate to the relevant transaction (e.g., OBD2 for tax exemption certificates) and check the status of the tax-exempt certificate. If it is blocked, determine the reason for the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
TAX_EXEMPT005 Usages could not be created for tax exempt cerficate &1 with status &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
TAX_EXEMPT004 Authority check for object CRM_TAXEXM failed with ACTVT &1 BILL_ORG &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
TAX_EXEMPT007 Maximal amount &1 would be overflow. Usage could not be created
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
TAX_EXEMPT008 Status can not be changed from &1 to &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.