How To Fix WI300 - Error reading from database

SAP Error Message - Details

• Message type: E = Error

• Message class: WI - BPT Workflow: Messages from Info System

• Message number: 300

• Message text: Error reading from database

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WI300 - Error reading from database ?

  SAP Error Message:
  
  WI300 - Error reading from database
  
  Cause:
  The error message WI300 - Error reading from database typically occurs when the SAP system encounters a problem while trying to read data from the database related to workflow processing. This can be due to several reasons, including:
  
  Database inconsistencies or corruption in workflow-related tables.
  Missing or inconsistent entries in workflow tables (e.g., SWWWIHEAD, SWWWIITEM, SWWCONT, etc.).
  Authorization issues preventing the system from reading the required data.
  Network or database connectivity problems.
  Transport or upgrade inconsistencies affecting workflow objects or tables.
  Locks or deadlocks on workflow tables.
  Custom code or enhancements interfering with standard workflow processing.
  
  
  Solution:
  To resolve the WI300 error, follow these steps:
  
  
  Check the Short Dump (ST22):
  
  Look for any related ABAP short dumps that provide more detailed information about the error.
  
  
  Analyze Workflow Logs:
  
  Use transaction SWI1 or SWIA to check workflow logs and identify which workflow instance or step is causing the problem.
  
  
  Check Database Tables:  
  
  Verify the integrity of workflow tables such as SWWWIHEAD, SWWWIITEM, SWWCONT, SWWLOGHIST, etc.  
  Run consistency checks or use SAP standard reports to check workflow table consistency (e.g., report RSWWDBCHECK).
  
  
  
  Check Authorizations:
  
  Ensure that the user or background job running the workflow has the necessary authorizations to read workflow tables.
  
  
  Check for Locks:
  
  Use transaction SM12 to check for locks on workflow tables that might be causing read errors.
  
  
  Database Connectivity:
  
  Verify that the database connection is stable and there are no network issues.
  
  
  Rebuild or Reset Workflow:  
  
  Sometimes, restarting the workflow runtime or resetting the workflow container helps.  
  Use transaction SWU3 to check and fix workflow customizing.
  
  
  
  Apply SAP Notes:
  
  Search for SAP Notes related to WI300 error on the SAP Support Portal. There might be patches or corrections available.
  
  
  Debugging:
  
  If the problem persists, debugging the workflow runtime (e.g., in transaction SWI1) might help identify the exact point of failure.
  
  
  
  Related Information:
  
  
  Transactions:
  
  SWI1 - Workflow Log
  SWIA - Work Item Administration
  SWU3 - Workflow Customizing Check
  SM12 - Lock Entries
  ST22 - ABAP Short Dumps
  SE38 - Run consistency check reports like RSWWDBCHECK
  
  
  
  Common Workflow Tables:
  
  SWWWIHEAD - Workflow Work Item Header
  SWWWIITEM - Workflow Work Item Items
  SWWCONT - Workflow Container
  SWWLOGHIST - Workflow Log History
  
  
  
  SAP Notes:
  
  Search SAP Notes with keywords like "WI300", "Error reading from database", "workflow database error".
  
  
  
  Summary:
  The WI300 error indicates a problem reading workflow data from the database. It is often caused by data inconsistencies, authorization issues, or database connectivity problems. Checking workflow logs, database table integrity, authorizations, and applying relevant SAP Notes usually resolves the issue.