Message type: E = Error
Message class:  /PRA/PN -  
Message number: 091
Message text: Rejects were generated; see DN Workplace for items or reasons
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/PN091 Rejects were generated; see DN Workplace for items or reasons typically indicates that there are issues with certain items in a delivery note (DN) that have been rejected during processing. This can occur in various scenarios, such as during the delivery process, invoice verification, or when handling returns. Causes: Data Inconsistencies: There may be inconsistencies in the data related to the delivery note, such as incorrect item quantities, pricing issues, or missing information. Stock Issues: The items may not be available in stock, or there may be issues with stock levels that prevent the delivery from being processed. Quality Issues: Items may have been flagged for quality inspection and cannot be processed until the inspection is complete.
Configuration Issues: There may be configuration settings in the system that are causing the rejection, such as missing or incorrect settings in the delivery process. Authorization Issues: The user may not have the necessary
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/PRA/PN090 Processes launched in DN Launcher
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PRA/PN089 DN Launcher completed with warnings; see log for details
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/PRA/PN092 Process completed with status: &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/PN093 Abend detected: &1
What causes this issue?  The process that was being run by the DN Launcher ended abnormally.System Response  The DN Launcher detected the abnormal end...
Click on this link to search all SAP messages.