Message type: E = Error
Message class:  RS2HANA_VIEW - HANA Views for BW Objects 
Message number: 027
Message text: External SAP HANA view for BW InfoProvider: Check consistency
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 RS2HANA_VIEW027 typically indicates that there is an inconsistency in the external SAP HANA view for a BW InfoProvider. This error can occur during the activation or usage of the HANA view that is associated with a BW (Business Warehouse) InfoProvider.
Cause: The inconsistency can arise due to several reasons, including: Modeling Issues: There may be discrepancies in the data model definitions between the BW InfoProvider and the HANA view. Data Source Changes: Changes in the underlying data sources or structures that are not reflected in the HANA view. Missing Objects: Required objects (like tables, views, or fields) may be missing or incorrectly defined in the HANA database. Transport Issues: If the HANA view was transported from one system to another, there may be inconsistencies due to missing dependencies. Version Mismatch: The version of the BW system and the HANA database may not be compatible.
Solution: To resolve the RS2HANA_VIEW027 error, you can follow these steps: Check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RS2HANA_VIEW026 Check if external SAP HANA view has been manually modified by user
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RS2HANA_VIEW025 Element '&1': Model value '&2' is different to XML value '&3'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RS2HANA_VIEW028 Please clean up obsolete objects (see long text)
What causes this issue?  You have made/changed at least one of the following settings: Set "Assignment Type" to option 'D' ("...
RS2HANA_VIEW029 Check consistency of external SAP HANA view for all BW objects
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.