Message type: E = Error
Message class: /UI5/DTA -
Message number: 028
Message text: Mandatory URL parameter 'package' missing
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 /UI5/DTA028 Mandatory URL parameter 'package' missing typically occurs in the context of SAP Fiori applications or SAPUI5 applications when a required URL parameter is not provided in the request. This error indicates that the application is expecting a parameter named package, which is essential for processing the request.
Cause: Missing Parameter: The most common cause is that the URL being accessed does not include the package parameter. This can happen if the application is not correctly configured or if the URL is manually constructed without including all necessary parameters. Incorrect Routing: If the application is using routing, the route may not be correctly defined to include the package parameter. Application Configuration: The application might not be properly set up to handle the required parameters, leading to this error when the application is invoked.
Solution: Check the URL: Ensure that the URL you are using to access the application includes the package parameter.
Get instant SAP help. Sign up for our Free Essentials Plan.
/UI5/DTA027 Folder '&1&2&3' does not exist in the layered repository yet
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/UI5/DTA026 Folder '&1&2&3' already exists in the layered repository
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/UI5/DTA029 URL parameter 'changelist' = 'ATO_NOTIFICATION' expected in S/4Hana Cloud
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/UI5/DTA030 ABAP package '&1' does not exist
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.