Message type: E = Error
Message class:  LTR_PRESEL - LTR: Preselection 
Message number: 011
Message text: Data references not allowed
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 LTR_PRESEL011: Data references not allowed typically occurs in the context of SAP's Logistics Execution (LE) or Warehouse Management (WM) modules, particularly when dealing with data selection or processing in a transaction that involves data references.
Cause: This error usually arises when the system encounters a situation where a data reference (like a pointer or a reference to a data object) is not permitted in the context of the operation being performed. This can happen due to: Incorrect Data Selection: The data selection criteria may be incorrectly defined, leading to the use of data references that are not supported.
Configuration Issues: There may be configuration settings in the system that do not allow for certain types of data references. Custom Code: If there is custom ABAP code involved, it may be incorrectly handling data references, leading to this error. Version Compatibility: The error might also arise if there are compatibility issues with the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
LTR_PRESEL010 Parameter values are not set
What causes this issue?  You have not specified parameter values for data selection.System Response  The system does not allow you to proceed with dat...
LTR_PRESEL009 Condition: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
LTR_PRESEL012 Saving preselection failed for some entries for package &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
LTR_PRESEL013 Duplicate records have been deleted during insertion for package &1
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.