How To Fix WER170 - *****170 - 189: Operation messages*******************************

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 170

• Message text: *****170 - 189: Operation 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.

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 WER170 - *****170 - 189: Operation messages******************************* ?

  The SAP error message WER170 *170 - 189: Operation messages*****"** is somewhat generic and can appear in different contexts related to operations or work orders, often in modules like PM (Plant Maintenance) or PP (Production Planning).
  
  Understanding the Error Message
  
  Message Class: WER (typically related to Work Orders or Operations)
  Message Number: 170
  Text: "Operation messages***"
  
  This message usually indicates that there are operation-level messages or issues related to a work order operation. The asterisks and the number "189" might be part of a longer message or a formatting artifact.
  
  Possible Causes
  
  
  Operation Messages Exist:
  
  The system is informing you that there are messages or warnings related to the operation in a work order or production order. These messages could be errors, warnings, or informational notes generated during order processing.
  
  
  Incomplete or Incorrect Operation Data:
  
  The operation might have missing or inconsistent data such as missing control keys, incorrect work center assignments, or invalid scheduling parameters.
  
  
  Status or Confirmation Issues:
  
  The operation might be in a status that prevents further processing, or there might be confirmation inconsistencies.
  
  
  System or Custom Message:
  
  Sometimes, this message can be a custom message or part of a user-exit or enhancement that checks operation data and raises messages.
  
  
  
  How to Identify the Exact Cause
  
  
  Check Operation Messages:
  
  Go to the work order or production order and check the operation details. Look for any messages or warnings displayed in the operation overview or in the message log.
  
  
  Use Transaction Codes:  
  
  IW32 (Change PM Order) or CO02 (Change Production Order) to review operations.
  Check the message log or status overview for detailed messages.
  
  
  
  Check Long Text or Message Details:
  
  Sometimes, the message is truncated in the popup. Check the long text or detailed message log for the full message.
  
  
  Review Custom Code:
  
  If your system has custom enhancements, check if any user-exits or BADIs related to operations are raising this message.
  
  
  
  Solutions
  
  
  Review and Correct Operation Data:
  
  Ensure all mandatory fields in the operation are correctly filled:
  
  Work center
  Control key
  Activity type
  Scheduling parameters
  
  
  
  Clear or Address Operation Messages:
  
  If the operation has warnings or errors, resolve them as per the message instructions.
  
  
  Check Order Status:
  
  Make sure the order and operation statuses allow the intended processing.
  
  
  Consult SAP Notes:
  
  Search SAP Support Portal for notes related to message class WER and message number 170 for any known issues or patches.
  
  
  Debug or Trace:
  
  If unclear, perform a debug or system trace to see where the message is triggered.
  
  
  
  Related Information
  
  
  Message Class WER:
  
  Used for messages related to work orders and operations in PM and PP.
  
  
  Common Transactions:  
  
  IW31/IW32/IW33 (PM Orders)  
  CO01/CO02/CO03 (Production Orders)
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Help Portal and SAP Notes for message WER 170 for module-specific guidance.
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Operation-level messages or warnings exist due to incomplete or inconsistent operation data.
  
  
  Solution
  Review and correct operation data, clear warnings/errors, check order status, consult SAP notes.
  
  
  Related Info
  Message class WER relates to work order operations; check IW32/CO02 for details.
  
  
  
  
  If you provide the exact context (transaction, module, full message text), I can help you narrow down the cause and solution further.