How To Fix WGDS_CC_2012060 - Enter a server group with assigned instances; '&1' is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: WGDS_CC_2012 - Messages for customer connect enhancement of GDS in 2012

• Message number: 060

• Message text: Enter a server group with assigned instances; '&1' is invalid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WGDS_CC_2012060 - Enter a server group with assigned instances; '&1' is invalid ?

  The SAP error message:
  WGDS_CC_2012060 Enter a server group with assigned instances; '&1' is invalid
  typically occurs in the context of SAP Web Dispatcher or SAP Gateway configuration, where a server group is expected but the provided group name is either not defined or does not have any assigned instances.
  
  Cause
  
  The server group name entered (represented by &1 in the message) does not exist in the system.
  The server group exists but has no assigned application server instances.
  There is a typo or incorrect server group name in the configuration.
  The system expects a valid server group with assigned instances for routing or load balancing, but the input is invalid or empty.
  
  
  Explanation
  In SAP systems, server groups are used to group application server instances logically. This grouping is important for load balancing, routing, and managing connections. When configuring parameters (e.g., in SAP Web Dispatcher or Gateway), you must specify a valid server group that has at least one application server instance assigned.
  If the server group is invalid or empty, the system cannot route requests properly, leading to this error.
  
  Solution
  
  
  Check Server Group Definition:
  
  Use transaction SMLG (SAP Logon Group) to verify if the server group name exists.
  Confirm that the server group has one or more application server instances assigned.
  
  
  
  Assign Instances to Server Group:
  
  If the server group exists but has no instances, assign the relevant application server instances to the group in SMLG.
  
  
  
  Correct Configuration:
  
  Verify the configuration where the server group name is entered (e.g., SAP Web Dispatcher profile, gateway settings).
  Correct any typos or incorrect server group names.
  
  
  
  Create Server Group if Missing:
  
  If the server group does not exist, create it in SMLG and assign the necessary instances.
  
  
  
  Restart Services if Needed:
  
  After changes, restart the relevant services (e.g., SAP Web Dispatcher, gateway) to apply the new configuration.
  
  
  
  
  Related Information
  
  Transaction SMLG: Used to create and maintain server groups and assign application server instances.
  SAP Web Dispatcher: Often requires valid server groups for routing HTTP requests.
  SAP Gateway: Uses server groups for load balancing and routing remote function calls.
  SAP Note or documentation related to server groups and load balancing.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error Cause
  Server group name is invalid or has no assigned instances.
  
  
  Where
  SAP Web Dispatcher, SAP Gateway, or any configuration requiring server group input.
  
  
  Solution
  Verify/create server group in SMLG, assign instances, correct configuration, restart services.
  
  
  Transaction
  SMLG
  
  
  
  
  If you provide the exact context (e.g., which component or transaction you encountered this error in), I can give more tailored instructions.