How To Fix 15300 - Select the end of the block; start of the block is already selected

SAP Error Message - Details

• Message type: E = Error

• Message class: 15 - Update message

• Message number: 300

• Message text: Select the end of the block; start of the block is already 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 15300 - Select the end of the block; start of the block is already selected ?

  The SAP error message "15300: Select the end of the block; start of the block is already selected" typically occurs in the context of data entry or selection processes within SAP, particularly when dealing with block selections in reports or data processing.
  Cause:
  This error usually arises when a user attempts to select a range of data (a block) but has already selected the starting point of that block without properly defining the endpoint. Essentially, SAP is expecting the user to complete the selection by specifying both the start and end points of the block.
  Solution:
  To resolve this error, follow these steps:
  
  
  Check Your Selection: Ensure that you have selected both the start and end points of the block. If you have only selected the start point, you need to click on the endpoint to complete the selection.
  
  
  Clear Previous Selections: If you have made a selection previously and are trying to make a new one, clear any existing selections. You can do this by clicking on the "Clear" button or by deselecting the previously selected items.
  
  
  Use the Correct Selection Method: Make sure you are using the correct method for selecting blocks. For example, in some cases, you may need to hold down the Shift key while clicking to select a range.
  
  
  Review Documentation: If you are unsure about the selection process, refer to the SAP documentation or help files related to the specific transaction or report you are working with.
  
  
  Consult with Colleagues or Support: If the issue persists, consider reaching out to colleagues who may have experience with the specific transaction or consult your SAP support team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes where block selection is applicable, such as in reports or data entry screens.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are using.
  User Training: If this error is common among users, consider providing training on how to properly make selections in SAP to avoid confusion.
  
  By following these steps, you should be able to resolve the error and continue with your work in SAP.