Message type: E = Error
Message class:  /PRA/VL_SD -  
Message number: 004
Message text: Effective date selection using &1 &2 is not supported
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 /PRA/VL_SD004 Effective date selection using &1 &2 is not supported typically occurs in the context of SAP's Product Lifecycle Management (PLM) or similar modules where effective date selection is relevant. This error indicates that the system does not support the combination of the specified parameters for effective date selection.
Cause: Invalid Parameter Combination: The parameters &1 and &2 represent specific fields or values that are not compatible with the effective date selection process.
Configuration Issues: There may be configuration settings in the system that do not allow for the effective date selection with the given parameters. Data Integrity Issues: The data being processed may not have the necessary effective date information or may be incorrectly set up.
Solution: Check Parameter Values: Review the values being passed as &1 and &2. Ensure that they are valid and supported for effective date selection. Review Configuration: Check the configuration settings related to effective date selection in
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/PRA/VL_SD003 Unapproved SD setup exists for DN &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PRA/VL_SD002 VCR Number &1 not found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PRA/VL_SD005 Invalid Linked Selection Items.  Only "Including" "Equal" is supported
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PRA/VL_SD006 Invalid Linked Selection Items.  Row count does not match
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.