Message type: E = Error
Message class:  CRM_MKTTG_BW_RSDRCRM - Message Mapping from RSDRCRM_SEG in BWA 
Message number: 003
Message text: Unit tests cannot be executed; test data missing
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 CRM_MKTTG_BW_RSDRCRM003 indicates that unit tests cannot be executed due to missing test data. This error typically arises in the context of SAP CRM (Customer Relationship Management) and BW (Business Warehouse) integration, particularly when trying to run unit tests for data extraction or transformation processes.
Cause: Missing Test Data: The most common cause of this error is that the required test data for the unit tests is not available in the system. This could be due to: Data not being loaded into the relevant tables. Test data not being created or configured properly. The test data being deleted or not being transported correctly.
Configuration Issues: There may be issues with the configuration of the data source or the extraction process that prevent the test data from being recognized. Authorization Issues: Sometimes, the user executing the tests may not have the necessary authorizations to access the test data.
Solution: Check Test Data Availability: Verify that the necessary test
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CRM_MKTTG_BW_RSDRCRM002 Incorrect call parameters
What causes this issue?  Incorrect call parameters were provided in the following location: &V1& &V2&.System Response  The system issu...
CRM_MKTTG_BW_RSDRCRM001 Application error occurred
What causes this issue?  An application error occured in area: &V1& &V2&.System Response  The system issues an error message and will ...
CRM_MKTTG_BW_RSDRCRM090 *** Messages for metadata modules ***
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRM_MKTTG_BW_RSDRCRM091 InfoObject &1 is not an InfoProvider
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.