Message type: E = Error
Message class: RO - Messages for (R)eferences between (O)bject numbers
Message number: 029
Message text: Reference was undone, no changes 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 RO029 ("Reference was undone, no changes allowed") typically occurs in the context of SAP's logistics and inventory management modules, particularly when dealing with stock movements, inventory adjustments, or similar transactions. This error indicates that a reference document (such as a goods movement or inventory document) has been reversed or undone, and as a result, no further changes can be made to that document.
Causes:
Reversal of Document: The most common cause is that the original document has been reversed. For example, if a goods receipt was posted and then subsequently reversed, any attempt to modify the original document will trigger this error.
Status of Document: The document may be in a status that does not allow further changes. This can happen if the document has been completed or if it is locked due to other processes.
System Configuration: Certain configurations in the system may restrict changes to documents that have
Get instant SAP help. Sign up for our Free Essentials Plan.
RO026 Enter reference category and number or data of involved object
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RO022 Transaction &1 is not contained in any reference
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RO030 Only &2 allowed for reference &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RO031 Transaction &1 cannot be contained in a rollover
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.