Message type: E = Error
Message class:  CNV_PE_S4 - Messages for Posting Engine S/4 Content 
Message number: 035
Message text: Numbering is not set for acc. group &1; Maintain entries in &2
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 CNV_PE_S4035 indicates that there is an issue with the numbering settings for a specific account group in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: The error occurs because the system cannot find a defined numbering range for the specified account group (&1). This means that the system is unable to assign a unique number to the accounts being created or migrated for that group. The error message suggests that the necessary entries for the numbering range are missing in the specified table (&2).
Solution: To resolve this error, you need to maintain the numbering range for the specified account group. Here are the steps to do this: Identify the Account Group: Note the account group number indicated in the error message (&1). Access the Number Range Maintenance: Go to the SAP Easy Access screen. Navigate to the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE_S4034 Cannot convert currency for credit limit from &1 to &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_S4033 No currency found for credit segment &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_S4036 Work center &1 does not exist in plant &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_S4037 Arch.Object ID does not exist for Arch.Obj.Type &1 and AOID Code &2
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.