How To Fix /SAPAPO/CIF048 - Outbound queue &2 (target system &1, system &4) blocked by user &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CIF -

• Message number: 048

• Message text: Outbound queue &2 (target system &1, system &4) blocked by user &3

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 /SAPAPO/CIF048 - Outbound queue &2 (target system &1, system &4) blocked by user &3 ?

  The SAP error message /SAPAPO/CIF048 indicates that the outbound queue for a specific target system is blocked by a user. This typically occurs in the context of the Core Interface (CIF) in SAP Advanced Planning and Optimization (APO) when data is being transferred between SAP ERP and SAP APO.
  
  Cause:
  The error message is triggered when:
  
  A user has manually locked the outbound queue for the target system, preventing any further data from being processed.
  There may be a system issue or a configuration problem that has led to the queue being blocked.
  The user may have set a lock on the queue for maintenance or troubleshooting purposes.
  
  
  Solution:
  To resolve the issue, you can follow these steps:
  
  
  Identify the User: Check which user has locked the outbound queue. The error message provides the user ID (&3).
  
  
  Unlock the Queue:
  
  If you have the necessary authorizations, you can unlock the queue by using transaction SMQ1 (for outbound queues) or SMQ2