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: S_UNIFIED_CON - Message Class for Unified Connectivity
Message number: 500
Message text: Communication Assembly &1 does not exist
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.
S_UNIFIED_CON500
- Communication Assembly &1 does not exist ?The SAP error message S_UNIFIED_CON500 indicates that a specific communication assembly does not exist in the system. This error typically arises in scenarios involving SAP Process Integration (PI) or SAP Process Orchestration (PO), where communication channels are configured for message processing.
Cause:
The error can occur due to several reasons:
- Missing Communication Assembly: The specified communication assembly (the identifier represented by
&1
in the error message) has not been created or has been deleted.- Incorrect Configuration: The configuration might be pointing to a non-existent or incorrectly named communication assembly.
- Transport Issues: If the communication assembly was recently transported from another system, it may not have been properly imported or activated.
- Authorization Issues: The user may not have the necessary authorizations to access the communication assembly.
Solution:
To resolve the error, you can take the following steps:
Verify Existence:
- Check if the communication assembly exists in the Integration Directory. You can do this by navigating to the Integration Directory and looking for the specified assembly.
Create or Restore:
- If the communication assembly does not exist, you may need to create it. If it was deleted, you might need to restore it from a backup or recreate it based on the original configuration.
Check Configuration:
- Review the configuration settings in the Integration Directory to ensure that the communication assembly is correctly referenced. Make sure that the name and other parameters are accurate.
Transport Check:
- If the assembly was transported, ensure that the transport request was successfully imported into the target system. Check for any errors during the transport process.
Authorization Check:
- Ensure that the user has the necessary authorizations to access the communication assembly. You may need to consult with your SAP security team to verify and adjust user roles if necessary.
Logs and Traces:
- Check the logs and traces in the SAP system for any additional error messages or warnings that might provide more context about the issue.
Related Information:
By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.
Get instant SAP help. Sign up for our Free Essentials Plan.
S_UNIFIED_CON455
Length restriction of 26 characters for HTTP service names
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
S_UNIFIED_CON453
Deletion of class fails with &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
S_UNIFIED_CON501
Registry entry for HTTP CA name is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
S_UNIFIED_CON502
Registry entry for HTTP Config name is missing
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.