Message type: E = Error
Message class:  CNV_20310 - Messages for CWB package 20310 
Message number: 023
Message text: &1=&2 cannot be processed. Controlling Area information 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_20310023 indicates that there is a problem related to the controlling area information in the context of a data migration or conversion process. This error typically arises during the execution of a conversion program, particularly when the system is unable to find the necessary controlling area data for the specified entity.
Cause: The error message suggests that the controlling area information is missing for the specified object (indicated by &1 and &2). This can occur due to several reasons: Missing Configuration: The controlling area may not be properly configured in the system. Data Inconsistency: There may be inconsistencies in the data being processed, such as missing entries in the relevant tables. Incorrect Mapping: During the data migration process, the mapping of the controlling area to the relevant entities may not have been set up correctly. Authorization Issues: The user executing the transaction may not have the necessary authorizations to access the controlling
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_20310021 Cost center in VARYF cannot be converted (SCLAS unequal "K")
What causes this issue?  Cost center in VARYF field &V1& cannot be converted because SCLAS is not equal to "K" VARYF = &V2& ...
CNV_20310020 Cost center in VARYF cannot be converted (SOBID does not correspond)
What causes this issue?  Cost center in VARYF field &V1& cannot be converted because the contents of the SOBID field does not correspond to th...
CNV_20310025 Cost Center/Profit Center check successful.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20310026 Cost Center/Profit Center check failed.
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.