How To Fix EUI011 - &1 &2 cannot be allocated due to register allocations

SAP Error Message - Details

• Message type: E = Error

• Message class: EUI - Messages for Point of Delivery

• Message number: 011

• Message text: &1 &2 cannot be allocated due to register allocations

What causes this issue?

Devices that have registers cannot be allocated.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Allocate the registers instead.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EUI011 - &1 &2 cannot be allocated due to register allocations ?

  The SAP error message EUI011 indicates that a specific resource (like a user or a session) cannot be allocated due to issues related to register allocations. This error typically arises in the context of SAP's user management or session handling, particularly when the system is unable to allocate the required resources for a user or process.
  Cause:
  
  Resource Limitations: The system may have reached its limit for user sessions or resources, which can happen if there are too many concurrent users or processes.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to improper resource allocation.
  System Performance: High system load or performance issues can prevent the allocation of resources.
  Locks or Deadlocks: If resources are locked or if there are deadlocks in the system, it can lead to allocation failures.
  
  Solution:
  
  Check User Sessions: Verify the number of active user sessions. If the limit is reached, consider terminating inactive sessions or increasing the session limit in the system configuration.
  Review Configuration Settings: Check the configuration settings related to user management and resource allocation. Ensure that they are set correctly according to your organization's needs.
  Monitor System Performance: Use transaction codes like ST03N or ST06 to monitor system performance and identify any bottlenecks. Address any performance issues that may be affecting resource allocation.
  Clear Locks: Use transaction SM12 to check for and clear any locks that may be preventing resource allocation.
  Increase Resources: If the system is consistently reaching its limits, consider increasing the hardware resources (CPU, memory) or optimizing the system configuration.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for locks), SM21 (for system logs), ST22 (for dumps), and ST03N (for workload analysis).
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to diagnose and resolve the EUI011 error in your SAP system.