Message type: E = Error
Message class:  RSO_CTC - Message class for CTC related messages 
Message number: 075
Message text: Error retrieving BW client
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_CTC075, which indicates an issue with retrieving the BW client, typically arises in the context of SAP BW (Business Warehouse) when there are problems related to the configuration or connectivity of the BW system. Here are some common causes, potential solutions, and related information for this error: Causes: Incorrect BW Client Configuration: The BW client may not be properly configured in the system settings. Authorization Issues: The user may not have the necessary authorizations to access the BW client. Network Connectivity Problems: There may be issues with network connectivity between the SAP system and the BW system. System Downtime: The BW system might be down for maintenance or other reasons. Incorrect RFC Destination: The Remote Function Call (RFC) destination used to connect to the BW system may be incorrectly configured or inactive. Solutions: Check BW Client Configuration: Verify that the BW client is correctly configured in the SAP system. This includes checking the settings in
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
RSO_CTC074 Role &1 - &2 &3 --> &4
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
RSO_CTC073 Job &1 is running more than once
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
RSO_CTC076 Check for generation of role and user synchronization
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved. Syst...
RSO_CTC079 Error assigning logon user as &1 to Myself RFC destination
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.