Message type: E = Error
Message class:  BIZC - Messages for Business Content (BIZC) 
Message number: 029
Message text: Exception class: &
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 BIZC029 typically indicates that there is an issue related to the Business Add-In (BAdI) implementation or a related business process. The specific message "Exception class: &" suggests that an exception has occurred, and the "&" symbol is a placeholder for the actual exception class name that would provide more context about the error. Possible Causes: BAdI Implementation Issues: The BAdI implementation may not be correctly defined or activated. This could include missing or incorrect coding in the implementation. Data Issues: There may be issues with the data being processed, such as missing required fields or invalid data formats. Authorization Issues: The user executing the transaction may not have the necessary authorizations to perform the action. Configuration Errors: Incorrect configuration settings in the related business processes or modules could lead to this error. System Bugs: There may be bugs in the SAP system or specific patches that need to be applied. Solutions: Check BAdI Implementation: Go
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
BIZC028 Location of error: Include &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
BIZC027 Location of error: Row &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
BIZC030 Business Content Framework error in function &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
BIZC031 Text ID: &
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.