Do you have any question about this error?
Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now →
Message type: E = Error
Message class: SRT_LPREG - Logical Port Registry
Message number: 004
Message text: Feature '&1' of operation '&2' is unknown
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.
SRT_LPREG004
- Feature '&1' of operation '&2' is unknown ?The SAP error message SRT_LPREG004 indicates that there is an issue with a specific feature of an operation in the context of SAP's web services or integration scenarios. The message typically means that the system is unable to recognize or find the specified feature for the given operation.
Cause:
- Incorrect Configuration: The feature or operation may not be correctly configured in the SAP system.
- Missing or Inactive Service: The service that is supposed to provide the feature may not be active or properly registered.
- Version Mismatch: There could be a mismatch between the versions of the service being called and the expected features.
- Typographical Error: There might be a typo in the feature name or operation name being referenced.
- Transport Issues: If the configuration was recently transported from another system, it may not have been transported correctly.
Solution:
- Check Configuration: Verify the configuration of the web service and ensure that the feature and operation are correctly defined.
- Activate Services: Ensure that the relevant services are activated in the SAP system. You can do this through transaction codes like
SOAMANAGER
orSICF
.- Review Service Definitions: Check the service definitions in the Service Registry to ensure that the feature is defined and available.
- Correct Typographical Errors: Double-check the names of the features and operations for any typographical errors.
- Transport Validation: If the issue arose after a transport, validate that all necessary objects were included in the transport request and that they were imported correctly.
- Check Logs: Review the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
Related Information:
SOAMANAGER
for managing web services, SICF
for managing HTTP services, and SLG1
for viewing application logs.If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.
Get instant SAP help. Sign up for our Free Essentials Plan.
SRT_LPREG003
Could not generate object '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SRT_LPREG002
Could not find class name for interface '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SRT_LPREG005
Property '&1' of feature '&2' of operation '&3' is unknown
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SRT_LPREG006
Value '&1' is invalid (operation '&4', features,'&3', property '&2')
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.