Message type: E = Error
Message class:  CNV_10030 - Message class for package 10030 
Message number: 083
Message text: &1 package-specific parameters for CWB were loaded
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_10030083 typically relates to issues encountered during the execution of a conversion or migration process, particularly in the context of the SAP Conversion and Migration tools. This specific error indicates that package-specific parameters for the Central Workbench (CWB) were loaded, but there may be issues with the parameters or the configuration.
Cause:
Configuration Issues: The parameters for the CWB may not be correctly configured or may be missing. Incompatibility: There may be compatibility issues between the version of the SAP system and the migration tools being used. Data Issues: There could be issues with the data being processed, such as missing or incorrect entries that do not meet the expected format or criteria. Authorization Problems: The user executing the migration may not have the necessary authorizations to access or modify the required parameters.
Solution: Check Configuration: Review the configuration settings for the CWB and ensure that all necessary parameters are correctly set. This
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10030080 Source package number for field &1-&2 (to be converted) was not specified
What causes this issue?  You want to assign a determination to field &V1&-&V2& (to be converted). However no source package number has...
CNV_10030071 If you execute the activity again; messages of the last run do not appear
 &HINTS& If you execute this activity once again, all existing entries remain intact. The system only makes new assignments for <zh>adde...
CM_EHHSS_INC_COMMON284 Organizational unit ID differs from org. unit ID &1 of the location
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CM_EHHSS_INC_COMMON285 Provided document type is not valid
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.