How To Fix E9018 - &1 &2 &3 &4 is already blocked

SAP Error Message - Details

• Message type: E = Error

• Message class: E9 - General IS-U Error Messages

• Message number: 018

• Message text: &1 &2 &3 &4 is already blocked

What causes this issue?

The application attempted to block an entry that is already in the
block table.
Possible reasons could be:
Another clerk is processing the same entry.
You are processing the entry in another session.
The update has not been completed yet.
A block entry still exists from a canceled session.

System Response

A second block of entries is not possible.
You can find information about the current block entries using
Transaction <DS:TRAN.SM12>SM12</>.

How to fix this error?

According to the reason, you have the following options:
Find out who is processing the same entry using Transaction
<DS:TRAN.SM12>SM12</>.
Switch to your other session.
Wait until the update has been completed.
Find out if the block entry was from one of your canceled sessions
using Transaction <DS:TRAN.SM12>SM12</>. If it is necessary, the block
can be deleted by the system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E9018 - &1 &2 &3 &4 is already blocked ?

  The SAP error message E9018 typically indicates that a certain object (like a document, transaction, or record) is already blocked for processing. This can occur in various contexts, such as during the posting of documents, changes to records, or when trying to execute certain transactions.
  Cause:
  The error message E9018 is generally caused by one of the following reasons:
  
  Concurrent Access: Another user or process is currently accessing or modifying the same object, leading to a lock.
  Incomplete Transactions: A previous transaction may not have been completed properly, leaving the object in a locked state.
  System Errors: There may be system-related issues or bugs that are causing the object to remain locked.
  Configuration Issues: Certain configurations in the system may lead to objects being locked under specific conditions.
  
  Solution:
  To resolve the E9018 error, you can take the following steps:
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for locks on the object. You can see which user or process is holding the lock.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Wait and Retry:
  
  If the lock is held by another user, you may need to wait until they complete their transaction and release the lock.
  
  
  
  Review Transaction Logs:
  
  Check transaction logs or system logs (using transaction codes like SM21) to identify any issues that may have caused the lock.
  
  
  
  Check for Incomplete Transactions:
  
  Ensure that there are no incomplete transactions that might be causing the lock. You can use transaction codes like SM13 to check for update records that are not processed.
  
  
  
  Contact Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM13: Display update records.
  SM21: System log.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or patches related to this error.
  
  
  Documentation: Review SAP documentation for the specific module or transaction you are working with, as there may be specific guidelines or troubleshooting steps related to that context.
  
  
  By following these steps, you should be able to diagnose and resolve the E9018 error in your SAP system.