How To Fix W8187 - Logical system & is not valid (current system: & )

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 187

• Message text: Logical system & is not valid (current system: & )

What causes this issue?

The object reference refers to logical system &V1&.
However, the current logical system is &V2& (see table T000). Only
object references to the current system are permitted.

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?

Please change the object reference to refer to an object in the current
logical system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W8187 - Logical system & is not valid (current system: & ) ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W8187 Logical system & is not valid (current system: & )
  
  Cause:
  This warning message occurs when a logical system name used in a configuration or data transfer does not match any logical system defined in the current SAP system or the logical system name is incorrect or missing.
  Logical systems are used in SAP to uniquely identify systems in a landscape, especially in ALE (Application Link Enabling), IDocs, and distribution scenarios. If the logical system name specified in a process (e.g., partner profile, distribution model, or RFC destination) is not defined or incorrectly maintained, this warning appears.
  
  Common scenarios where this occurs:
  
  When sending or receiving IDocs and the logical system name in the partner profile is not defined in the system.
  When configuring ALE distribution model and the logical system is not maintained.
  When using RFC calls or ALE distribution and the logical system name is missing or incorrect.
  During client copy or system copy if logical system names are not adjusted properly.
  
  
  Solution:
  
  
  Check Logical System Definition:
  
  Go to transaction SALE or BD54 (Logical Systems).
  Verify that the logical system name mentioned in the error message is defined.
  If not, create the logical system with the exact name used in the configuration.
  
  
  
  Assign Logical System to Client:
  
  Use transaction SCC4 to assign the logical system to the client.
  Select the client and maintain the logical system name in the "Logical System" field.
  
  
  
  Verify Partner Profiles:
  
  Use transaction WE20 to check partner profiles.
  Ensure that the partner logical system names are correct and exist in the system.
  
  
  
  Check Distribution Model:
  
  Use transaction BD64 to check the distribution model.
  Make sure all logical systems involved in the distribution are defined.
  
  
  
  Adjust Logical System Names after System Copy:
  
  If the system was copied or client was copied, logical system names might need to be adjusted.
  Use transaction BDLS to convert logical system names in the client.
  
  
  
  Check RFC Destinations:
  
  Use transaction SM59 to verify RFC destinations.
  Ensure that the logical system names used in RFC destinations are valid.
  
  
  
  
  Additional Information:
  
  Logical systems are critical for ALE and IDoc processing to identify source and target systems.
  The logical system name is case-sensitive and must match exactly.
  This message is a warning (W), so it may not stop processing but indicates a configuration issue that can cause problems in data exchange.
  Always ensure logical system names are consistent across the landscape.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  W8187 Logical system & is not valid (current system: & )
  
  
  Cause
  Logical system name used is not defined or incorrect in the current SAP system.
  
  
  Solution
  Define logical system in SALE/BD54, assign it to client in SCC4, verify partner profiles, distribution model, and RFC destinations. Use BDLS if needed after system copy.
  
  
  Related Transactions
  SALE, BD54, SCC4, WE20, BD64, BDLS, SM59
  
  
  
  
  If you need help with specific steps or screenshots, feel free to ask!