Message type: E = Error
Message class: COM_DIFF_KEY - Messages for Differentiation Key
Message number: 028
Message text: No changes were made
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.
COM_DIFF_KEY028
- No changes were made ?The SAP error message COM_DIFF_KEY028: No changes were made typically occurs in the context of the SAP system when attempting to save or update a document or record, but the system detects that no actual changes have been made to the data. This can happen in various modules, including materials management (MM), sales and distribution (SD), or production planning (PP). Causes: No Data Changes: The most common cause is that the user is trying to save a record without making any changes to the fields. The system recognizes that the data is the same as it was before. Unintentional Save: The user may have inadvertently clicked the save button without modifying any data. Data Validation: Sometimes, the system may have validation rules that prevent changes from being saved if certain conditions are not met, leading to the perception that no changes were made. User Authorization: In some cases, the user may not have the necessary
Get instant SAP help. Sign up for our Free Essentials Plan.
COM_DIFF_KEY027
Table &1 already contains key to key type &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
COM_DIFF_KEY026
Key type &1 of set type &2 is not compatible with key type &3
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
COM_DIFF_KEY100
**** Messages from the Generation Master Program ****
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
COM_DIFF_KEY101
Key type & has already been assigned to the object type &
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.