Message type: E = Error
Message class: /IWBEP/CM_V4_COS -
Message number: 028
Message text: Complex property SAP__MESSAGE is computed and not changeable.
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 error message /IWBEP/CM_V4_COS028 Complex property SAP__MESSAGE is computed and not changeable typically occurs in the context of SAP Gateway and OData services. This error indicates that you are trying to modify a property that is computed and therefore cannot be changed directly.
Cause: Computed Property: The property SAP__MESSAGE is likely a computed property that is generated by the system based on certain conditions or logic. Since it is not meant to be modified directly, any attempt to do so will trigger this error. Incorrect Data Handling: The error may arise if the application logic attempts to set or update this property when it should not be doing so. Service Definition: The OData service might be incorrectly defined, leading to attempts to modify properties that are not intended to be changed.
Solution: Review the Code: Check the code where the property SAP__MESSAGE is being set or modified. Ensure that you are not trying to change this
Get instant SAP help. Sign up for our Free Essentials Plan.
/IWBEP/CM_V4_COS027
Invalid Service ID '&1' for Service Alias '&2' in Service Group '&3'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/CM_V4_COS026
Filter without a primitive property is not supported for select options
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/CM_V4_COS030
Data transfer between provider and internal data container failed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/CM_V4_COS031
Conversion exit &1 could not be executed
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.