How To Fix TB429 - No block start was selected

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 429

• Message text: No block start was selected

Self-Explanatory Message

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TB429 - No block start was selected ?

  The SAP error message TB429 "No block start was selected" typically occurs in the context of the SAP system when working with certain functionalities related to block management, such as in the context of data entry or processing in modules like SAP Controlling (CO) or SAP Project System (PS).
  Cause:
  The error message TB429 usually indicates that the system expects a block start to be defined or selected, but none has been provided. This can happen in scenarios where:
  
  Missing Selection: The user has not selected a block start for a particular operation or transaction.
  Configuration Issues: There may be configuration settings in the system that are not properly set up, leading to the inability to select a block start.
  Data Entry Errors: The user may have skipped a necessary step in the data entry process that is required to define a block start.
  
  Solution:
  To resolve the TB429 error, you can take the following steps:
  
  
  Check Selection: Ensure that you have selected a valid block start in the relevant transaction or screen. Look for any dropdowns or selection fields that may allow you to specify a block start.
  
  
  Review Configuration: If you have the necessary authorizations, check the configuration settings related to the module you are working in. Ensure that all required settings for block management are correctly configured.
  
  
  Follow Process Steps: Make sure you are following the correct sequence of steps in the transaction. Sometimes, the error can occur if the process is not followed in the expected order.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with. There may be specific instructions or requirements for selecting a block start.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration and usage.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to controlling or project management. Familiarize yourself with the relevant transaction codes and their functionalities.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the TB429 error and implement a solution to resolve it.