How To Fix WS143 - _________________________________________________________________________

WS143 - Overview

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 143

• Message text: _________________________________________________________________________

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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WS143 - Details

• The SAP error message WS143 typically appears in the context of Work Scheduling (WS) or Work Center Scheduling within SAP Production Planning (PP) or Plant Maintenance (PM) modules.
  
  Error Message WS143
  Message Text:
  WS143 - Work center scheduling: No valid capacity available
  
  Cause
  This error occurs when the system tries to schedule operations at a work center but finds no valid capacity available for the required time period. This can happen due to:
  
  The work center has no capacity defined for the relevant time period.
  The capacity is defined but is set to zero or insufficient.
  The capacity is locked or marked as unavailable.
  The scheduling period is outside the defined capacity periods.
  Incorrect or missing capacity category or capacity header data.
  The work center is inactive or not properly maintained.
  
  
  Solution
  To resolve the WS143 error, you should:
  
  
  Check Work Center Capacity:
  
  Go to transaction CR03 (Display Work Center) or CR02 (Change Work Center).
  Verify the capacity data under the Capacities tab.
  Ensure that capacity is