Message type: E = Error
Message class:  RSO_CTC - Message class for CTC related messages 
Message number: 181
Message text: No requests with error logs found for this selection
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 RSO_CTC181 indicates that there are no requests with error logs found for the selection criteria you have specified. This error typically occurs in the context of data extraction or reporting, particularly when using the SAP BW (Business Warehouse) or SAP BI (Business Intelligence) systems.
Cause: No Error Logs Available: The most straightforward cause is that there are genuinely no requests that have generated error logs for the specified selection criteria. This could mean that all requests have been processed successfully. Incorrect Selection Criteria: The selection criteria you are using may not match any existing requests. This could be due to incorrect date ranges, request IDs, or other filters. Data Not Loaded: If the data load process has not been executed or completed, there may not be any requests to report on. Authorization Issues: Lack of proper authorizations may prevent you from viewing certain requests or logs.
Solution: Check Selection Criteria: Review the selection
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSO_CTC180 BEx request &1 released
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_CTC179 InfoCube &1 has uncompressed requests.See task documentation for details
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_CTC190 Migration of authorization concepts is possible
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
RSO_CTC191 Authorization will be automatically migrated
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.