Dreamweaver CS4 & PVII extension error

Editing a Dreamweaver CS4 web page with Studio Seven (PVII) Accordion Panel 1 extension returns this error: message

"Could Not Find the Style Theme for style#[object Element]
Re-install the extension or be sure that the Style Theme is installed"

I re-installed the extension, restored all site files from full backup, installed as new Dreamweaver site, re-installed extension, rebooted PC and repeated edit - same problem; same also using extension as new insertion.

Works OK as installing new Accordion Panel 1 in different CS4 site.  

What 'Style Theme' is referred to? I cannot find the phrase 'style#' in the CS4 or p7APM06.css source code.

The user manual contains a section 'Reverting to default Style Themes', which is creating a new .css file = I assumed restoring files as above would do this.

What steps should I take to restore editing?
MARSPATHRetired EE/Computers/ITAsked:
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Jason C. LevineNo oneCommented:

Whenever an extension goes nuts on you, try deleting the WinFileCache file:

C:\Documents and Settings\[username]\Application Data\Adobe\Dreamweaver CS4\en_US\Configuration

and then restart DW.

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MARSPATHRetired EE/Computers/ITAuthor Commented:

Shut down CS4 then (in Windows 7 Professional) deleted:

C:\Users\JAMAR\AppData\Roaming\Adobe\Dreamweaver CS4\en_US\Configuration\WinFileCache-3012BA81.dat
Restarted CS4 - - Problem persists. Noted the extension starts in Create New Accordion Panel mode

I noted that there were some Javascript/html files in:

C:\Users\JAMAR\AppData\Roaming\Adobe\Dreamweaver CS4\en_US\Configuration\behaviors\actions\Studio VII\Accordion Panel

Which were not recently backed up. Problems here?
Jason C. LevineNo oneCommented:
And you say this problem only occurs on one site?  Or in one specific page?
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MARSPATHRetired EE/Computers/ITAuthor Commented:
Yes, on the only site using this extension. I can create new pages on this site, but editing existing pages shows same error. Creating pages in new test site is OK.
Jason C. LevineNo oneCommented:
Can you create a page in a new test site and then edit it with no issues?
MARSPATHRetired EE/Computers/ITAuthor Commented:
Yes (sites/AccordionTestBed_04022010/Accordion Test Bed 001.html), I am able to create, edit and exercise several options with no errors. Other pages in the original site return the same error when editing.  
MARSPATHRetired EE/Computers/ITAuthor Commented:

Noting that my extension version was 1.0.3, I did the following

Accordion Panel Magic v1.0.8 update

Using the current marker feature on existing pages
You only need to update existing pages if your current version of Accordion Panel Magic is version 1.0.3. If you are updating from a later version, you do not need perform any of the following procdures.
Open the Accordion Panel Magic interface and check the Use Current Marker option. You can set the option independently for any APM component on your page.
If your existing Accordion Panel Magic component was made using the original version (1.0.3) of the product, you will need to follow this procedure:
•Open a page that contains an Accordion component you want to update
•Open the CSS panel and note the name of the APM style sheet used for that page. The CSS file will be called p7ap_01.css - p7ap_06.css depending on the style theme you are using. Make a note of the CSS file name.
•Locate the p7ap folder inside the folder that contains your page. Find your relevant CSS file and delete it. Dreamweaver will warn you that it is linked to your page and ask if you'd like to delete it anyway. Click Yes.
•Locate the APM script file, p7APscripts.js, and delete it. Click Yes at the Dreamweaver warning.
•Go back to your page and place your cursor anywhere inside your Accordion Panel component and open the APM interface as if you were going to edit the component.
•Make sure the Use Current Marker option is checked
•Click OK

The system will generate new script and CSS files you and your current marker will work.

**No - new .css and .js files were generated, but the extension now opens in the 'Create New Accordion Panel' mode - not the edit mode.
Any ideas?
MARSPATHRetired EE/Computers/ITAuthor Commented:
Problem solved by removing PVII Accordion Panel 1 & current update. then re-installing Accordion Panel 1 without update. Thanks for tip about WinFileCache file.
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