Message type: E = Error
Message class:  CNV_10030 - Message class for package 10030 
Message number: 036
Message text: Error in program &1: Indicator for end of block after &2 is 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 CNV_10030036 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a missing indicator for the end of a data block in the program specified by &1, after the data record identified by &2.
Cause: The error can be caused by several factors, including: Data Format Issues: The data being processed may not conform to the expected format, leading to missing indicators or delimiters. Corrupted Data: The source data might be corrupted or improperly structured, causing the migration program to fail in recognizing the end of a data block. Configuration Errors: Incorrect configuration settings in the migration tool or program can lead to this error. Program Logic Errors: There may be a bug or logical error in the custom program or standard program being executed.
Solution: To resolve the CNV_10030036 error, you can take the following steps: Check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10030035 Error in prog. &1: &2 and &3 must not follow directly one after the other
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10030034 Program &1 did not require modification
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10030037 Error in program &1: Indicator for start of block after &2 is missing
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10030038 &1 jobs were scheduled; they are started on &2 at &3
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.