This is the SAP solution to this error, try all steps and it should be resolved.

When we open XL Reporter we get an errormessage "A required COM add-in program for XL Reporter has not been loadedand prohibits Microsoft Excel from running." when trying to open a reportdefinition.SOLUTION FOR THE PROBLEM:

Reason and Prerequisites

You need to be an administrator on the local machine to add COM add-ins.

Solution

The user should be added as a member of the administrator role on thelocal computer the first time you start Excel from XL Reporter the firsttime so that the COM addin are registered, then you can remove the userfrom the administrator group again.

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Manually Loading the XL Reporter Excel COM Add-In

Symptom

If you install Microsoft Office after installing the XL Reporterapplication or use another Windows user than the one you used wheninstalling XL Reporter, you can get an error message.Reason and Prerequisites

The reason for this is that the report writer COM Add-in has not beenloaded, which prohibits Microsoft Excel from running.

Solution

1. Start Microsoft Excel. If you already have the COM Add-ins command onthe Tools menu, go to step 7.

2. In the Tools menu, choose Customize.

This opens the Customize window.

3. Choose the Commands tab and select Tools from the Categories pane onthe left.

4. In the Command pane on the right, scroll down to the COM Add-inscommand.

5. Select the COM Add-ins command, hold down the mouse button, and dragCOM Add-ins from the Commands pane over to the Tools menu on the MicrosoftExcel men bar. When the Tools menu commands appear, point to where youwant the COM Add-ins command to appear on the menu and release the mousebutton.

6. To close the Customize window, choose Close.

7. On the Tools menu, choose the new COM Add-ins option.

This opens the COM Add-ins window.

8. In the window, choose Add to open the Add Add-in window.

9.Select the IXXLReporter.dll file located in the Client directory in theXL Reporter program installation area and choose OK.

10. In the COM Add-ins window, select the XL Reporter checkbox and chooseOK.