Message type: E = Error
Message class:  SAWE_BO_SA_TIME_PS - Message Class : Staff Assignment Time Planning Sheet 
Message number: 006
Message text: Duplicate entries exist for the staff assignment time planning sheet item
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 SAWE_BO_SA_TIME_PS006 indicates that there are duplicate entries for a staff assignment in the time planning sheet. This typically occurs when the system detects that the same staff member has been assigned to the same task or time period more than once, which violates the uniqueness constraint for that assignment.
Cause: Duplicate Entries: The most common cause is that the same staff member has been assigned to the same task or time period multiple times. Data Entry Errors: Manual data entry errors can lead to unintentional duplication. System Integration Issues: If data is being imported from another system or module, it may lead to duplicates if not properly managed.
Configuration Issues: Incorrect configuration in the time planning sheet settings may allow for duplicates to be created.
Solution: Identify Duplicates: Review the time planning sheet for the specific staff assignment and identify where the duplicates exist. Use transaction codes like SE16 or SE11 to check the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
SAWE_BO_SA_TIME_PS005 Data saved successfully
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SAWE_BO_SA_TIME_PS004 Employee &1 does not exist in the system
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SAWE_BO_SA_TIME_PS007 Negative values for forecast entries
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SAWE_BO_SA_TIME_PS008 User &1 is not authorized to read time planning sheet of employee &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.