Error
Error Code: ORA-28550

Oracle ORA-28550: Invalid Cursor

📦 Oracle Database
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Description

This error, ORA-28550, indicates that a cursor ID passed to a pass-through SQL function or procedure is invalid. This typically occurs when the cursor is not open or has been closed before being used in the pass-through SQL call.
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Error Message

ORA-28550: pass-through SQL: cursor not found
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Known Causes

4 known causes
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Cursor Not Opened
The cursor ID was used before a corresponding OPEN_CURSOR call to open it. Ensure the cursor is properly initialized.
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Cursor Already Closed
The cursor was closed using CLOSE_CURSOR before being used in the pass-through SQL call. Check for premature cursor closure.
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Incorrect Cursor ID
An incorrect or invalid cursor ID was passed to the pass-through SQL function or procedure. Verify the cursor ID being used.
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Scope Issue
The cursor is out of scope or not visible in the current context where the pass-through SQL call is being made. Check cursor visibility.
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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service

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