Message type: E = Error
Message class:  CNVHCM_PRESEL - TDMS4HCM: Messages for Object Selection 
Message number: 313
Message text: &1 relationships added in first step
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 CNVHCM_PRESEL313 typically occurs during the data migration process, particularly when using the SAP HCM (Human Capital Management) module. This error indicates that there are issues with the relationships that were supposed to be established during the first step of the migration process.
Cause: The error message CNVHCM_PRESEL313 generally arises due to one or more of the following reasons: Data Inconsistencies: There may be inconsistencies or missing data in the source system that prevent the relationships from being established correctly. Incorrect Mapping: The mapping of relationships between different entities (like employees, positions, etc.) may not be set up correctly.
Configuration Issues: There could be configuration issues in the target system that prevent the relationships from being created. Missing Required Fields: Certain required fields for establishing relationships may be missing in the data being migrated.
Solution: To resolve the CNVHCM_PRESEL313 error, you can follow these steps: Check Data Consistency: Review the data in the source system to
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNVHCM_PRESEL312 &1 objects added in first step
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVHCM_PRESEL311 Evaluation of PD relationships ended on &1 at &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVHCM_PRESEL314 Step acts as filter for objects found in previous steps
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVHCM_PRESEL315 &1 objects added in step; &2 objects selected in total
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.