How To Fix WRF_AT_GENERATE300 - Supplement allocation table &1 from backup table

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_AT_GENERATE - Messages: Allocation Table Generation RTFASH/Ordering

• Message number: 300

• Message text: Supplement allocation table &1 from backup table

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_AT_GENERATE300 - Supplement allocation table &1 from backup table ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WRF_AT_GENERATE300 Supplement allocation table &1 from backup table
  
  1. Cause:
  This message typically appears during the execution of a report or program related to supplement allocation tables in SAP, often in the context of Workforce Management (WFM) or Personnel Planning modules.
  
  The system is trying to generate or update a supplement allocation table (a temporary or working table used for allocation calculations).
  The supplement allocation table &1 (where &1 is a placeholder for the actual table name) does not exist or is empty.
  To proceed, the system attempts to restore or supplement this allocation table from a backup table.
  This situation can arise due to:
  
  Incomplete or interrupted previous processing.
  Data inconsistencies or missing data in the allocation tables.
  System restarts or dumps that caused temporary tables to be lost.
  Custom or standard programs that rely on these tables but find them missing or corrupted.
  
  
  
  
  2. Solution:
  
  
  Allow the system to restore the table from the backup:
  
  Usually, this message is informational, indicating that the system is automatically restoring the allocation table from a backup. If the process continues without errors, no further action is needed.
  
  
  If the process stops or errors out:
  
  Check the backup table: Verify that the backup table exists and contains valid data.
  Re-run the relevant report or program: Sometimes, re-executing the process can regenerate the tables correctly.
  Check for system dumps or errors: Look into system logs (SM21), short dumps (ST22), or job logs to identify if there were interruptions.
  Database consistency check: Run consistency checks on the involved tables to ensure no corruption.
  SAP Notes: Search for SAP Notes related to the specific module or program generating this message for any patches or corrections.
  Consult Basis/DBA team: If tables are missing or corrupted, database-level recovery or table recreation might be necessary.
  
  
  
  Preventive measures:
  
  Ensure that batch jobs or reports that generate these tables complete successfully.
  Avoid interrupting processes that update allocation tables.
  Regularly monitor system logs for related errors.
  
  
  
  
  3. Related Information:
  
  
  Modules involved:
  
  This message is often related to Personnel Planning, Workforce Management, or Time Management modules where allocation tables are used for planning and scheduling.
  
  
  Tables:
  
  The exact table name is dynamic (&1), but these are usually temporary or supplement allocation tables used internally by SAP programs.
  
  
  Transaction codes:  
  
  The error might appear during execution of reports or transactions related to personnel planning or allocation.
  Check the program or report name in the job log or dump for more context.
  
  
  
  SAP Notes and Documentation:  
  
  Search SAP Support Portal with the exact message text or related keywords.
  Look for notes related to supplement allocation tables or workforce management planning.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Supplement allocation table missing or empty; system tries to restore from backup table
  
  
  Solution
  Allow system to restore; verify backup table; re-run process; check logs and dumps
  
  
  Related Info
  Workforce Management, Personnel Planning modules; temporary allocation tables
  
  
  
  
  If you provide the exact program or transaction where this message appears, or the full message text with the actual table name, I can help you with more specific guidance.