How To Fix WER550 - *****551 - 570: Where-Used messages *****************************

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 550

• Message text: *****551 - 570: Where-Used messages *****************************

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WER550 - *****551 - 570: Where-Used messages ***************************** ?

  Certainly! Here's a detailed explanation regarding the SAP error message WER550 and related messages in the range WER551 - WER570, which are typically related to "Where-Used" list processing:
  
  SAP Error Message: WER550 and WER551 - WER570
  Message Class: WER
  
  Message Number: 550 (and related 551 - 570)
  
  Message Text:  
  
  WER550: *551 - 570: Where-Used messages *****
  
  
  1. Cause
  The WER550 message and related messages (WER551 to WER570) are informational or error messages related to the "Where-Used List" functionality in SAP. The "Where-Used List" is used to find all references or dependencies of an object (like a material, BOM component, routing, or other master data).
  Common causes for these messages include:
  
  Inconsistent or incomplete data in the database related to the object whose where-used list is being generated.
  Authorization issues preventing the user from accessing certain objects or data.
  Technical problems such as missing entries in tables or indexes used for where-used list processing.
  Performance issues or timeouts when the system tries to generate a very large where-used list.
  Incorrect or missing customizing for the where-used list functionality.
  Transport or upgrade inconsistencies where the relevant programs or tables are not properly updated.
  
  
  2. Solution
  General steps to resolve or handle WER550 and related messages:
  
  
  Check the exact message text and number:
  
  The WER550 message is often a header or informational message, and the actual error or warning is in the subsequent messages (WER551 to WER570). Identify the exact message number and text for more precise troubleshooting.
  
  
  Verify object existence and consistency:  
  
  Use transaction codes like CS15 (Where-Used List for Material) or CS12 (BOM) to check if the object exists and is consistent.
  Run consistency checks on BOMs or routings if applicable.
  
  
  
  Check authorizations:  
  
  Ensure the user has the necessary authorizations to view the where-used list for the object.
  Use transaction SU53 after the error to check authorization failures.
  
  
  
  Check system logs and dumps:  
  
  Use SM21 (System Log) and ST22 (ABAP Dumps) to find related errors.
  Look for performance issues or runtime errors during where-used list generation.
  
  
  
  Check customizing and settings:  
  
  Verify if the where-used list functionality is properly configured.
  Check if any user exits or enhancements are affecting the where-used list.
  
  
  
  Rebuild indexes or update tables:  
  
  Sometimes, the where-used list depends on indexes or special tables (e.g., BOM index tables).
  Run relevant report programs to rebuild or update these indexes (e.g., CS_BOM_EXPL_MAT_V2).
  
  
  
  SAP Notes and Support:  
  
  Search for SAP Notes related to WER550 and related messages.
  Apply any relevant patches or corrections.
  
  
  
  
  3. Related Information
  
  
  Where-Used List Transactions:  
  
  CS15 - Where-Used List for Material  
  CS12 - Display BOM  
  CA15 - Where-Used List for Routing
  
  
  
  Common SAP Tables Involved:  
  
  STPO - BOM item  
  STPOZ - BOM item change documents  
  MAPL - Assignment of task lists to materials  
  PLKO/PLPO - Routing header and operations
  
  
  
  SAP Notes:  
  
  Check SAP Service Marketplace or SAP ONE Support Launchpad for notes related to WER550 or where-used list errors.
  
  
  
  Performance Tips:  
  
  Large where-used lists can cause performance issues; consider filtering or limiting the scope.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Data inconsistencies, authorization issues, missing indexes, or system errors during where-used list generation.
  
  
  Solution
  Identify exact message, check data consistency, verify authorizations, rebuild indexes, check logs, apply SAP Notes.
  
  
  Related
  Transactions CS15, CS12, CA15; tables STPO, MAPL; SAP Notes for WER errors.
  
  
  
  
  If you provide the exact full text of the message or the context in which it appears, I can help you with more specific troubleshooting steps.