Message type: E = Error
Message class:  CNVHCM_PRESEL - TDMS4HCM: Messages for Object Selection 
Message number: 101
Message text: Place the selection steps in the correct order
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_PRESEL101 typically occurs during the process of data migration or conversion, particularly when using the SAP HCM (Human Capital Management) module. This error indicates that there is an issue with the selection criteria or the data being processed.
Cause: Incorrect Selection Criteria: The selection criteria defined for the data migration may not match the available data in the system. Missing Data: Required data fields may be missing or not populated correctly in the source system.
Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the data being processed. Authorization Issues: The user may not have the necessary authorizations to access the data or perform the migration.
Solution: Review Selection Criteria: Check the selection criteria used in the migration process to ensure they are correct and match the available data. Validate Data: Ensure that all required data fields are populated correctly in the source system. Perform data validation
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNVHCM_PRESEL100 Do not specify a date in this field; field is obsolete
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVHCM_PRESEL053 Specified selection ID &1 in SAP name range; specify a different ID
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVHCM_PRESEL102 Specify either initial selection IDs or initial objects in step &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNVHCM_PRESEL103 Specify the object type to make restrictions in step &1
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.