Message type: E = Error
Message class:  CNV_10030 - Message class for package 10030 
Message number: 111
Message text: Activity &1 is still running in package &2 , phase &3
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_10030111 indicates that a specific activity is still running in a particular package and phase during a data migration or conversion process. This error is typically encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause: The error occurs when: An activity that is part of a migration or conversion process has not yet completed, and the system is trying to initiate another activity that depends on the completion of the first one. There may be a long-running process that is still executing, causing a blockage for subsequent activities. There could be a misconfiguration or an issue in the migration process that is causing the activity to hang or take longer than expected.
Solution: To resolve this error, you can take the following steps: Check Running Activities: Use transaction codes like SM37 (Job Monitoring) to check if the activity is still running. Look for
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10030110 Best guess mode active for &1
What causes this issue?  For tables or fields where no assignment of determination has been delivered, the system tries to suggest an assignment. The ...
CNV_10030108 A possible determination at the time of selection should not take place
What causes this issue?  The parameter DETERMINATION_ONLY (transaction CNV_10030_CWBPARAM) was used to define that <ZH>no </>delimitation ...
CNV_10030112 Best guess mode active for &1
What causes this issue?  For components of non-transparent fields where no assignment of an evaluation rule has been delivered, the system tries to su...
CNV_10030159 No rule assignment delivered for component &3 of non-transp. field &1-&2
What causes this issue?  For the component &V3& of the non-transparent field &V1&-&V2& no evaluation rule assignment has been ...
Click on this link to search all SAP messages.