IP-S7-Link .Net Advanced COM Frequently Asked Questions (FAQs)

Situation:
Excel does not longer recognize an imported type or method.

Reason
Through uninstalling and re-installing a Excel imported library this may affect the library registration so Excel may not longer be able to resolve some type and method information contained in the library.

Solution

• Open the references dialog.
• Lookup the imported library its type or method was highlighted by Excel.
• Remove the reference to the library from your Excel workbook.
• Commit the removement using OK.
• Save the Excel workbook changes (this is important).
• Then re-open the references dialog.
• Select the previously removed library.
• Commit this step using OK.
• Save the Excel workbook changes.
• Now everything should work again as expected.