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  4. Wednesday, 08 February 2023
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Migrating J51-Willow J3 to J4

Getting this error on the front end.

0 - Cannot access protected property Joomla\CMS\Menu\MenuItem::$params

Backend is working properly.

Saw 2 other post about this, but the solution was not given.


UPDATE: I extracted the J4 Kaylee template installer and upload the files in the folder html > mod_menu to templates > j51_willow_html > mod_menu

It started working.


Thanks,
Mark
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Happy to help. That fixed all issues.

Appreciate the fast response.

Thanks,
Mark
  1. more than a month ago
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  3. # 1
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Thank you! Yes, it is now working.
  1. more than a month ago
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  3. # 2
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Hi Mark

Have you installed the Joomla 4 version of the Willow template? This type of error is quite often related to running a Joomla 3 template on Joomla 4.

Ciaran
  1. more than a month ago
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  3. # 3
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I installed what you posted.

I think you are right. That is why I uploaded the files from the J4 template I do have working. There are other issues too.

J3 and J4 downloads have exact same name: J51_Willow_unzip1st.zip

Just extracted the installer and the templateDetail.xml says version: 1.0

Same for the admin - template styles
  1. more than a month ago
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  3. # 4
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Hi Mark

Thank you for bringing this issue to our attention. Could I ask you to redownload your Joomla 4 template and try again. Hopefully this should be now resolved :)

Ciaran
  1. more than a month ago
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  3. # 5
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I am getting the same error (0 - CANNOT ACCESS PROTECTED PROPERTY JOOMLA\CMS\MENU\MENUITEM::$PARAMS) when I am upgrading my website from Joomla 3.10.12 to Joomla 4, but I have the HAYLEY template. I redownloaded the Hayley 4 version, but still get the error. When I change to Cassiopeia template, I don't get the error.
References
  1. https://whitecountylibraries.org/new/
  1. more than a month ago
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  3. # 6
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Hello

May I suggest sending temporary administration access to your Joomla installation to info@joomla51.com and we will examine this issue further. For our reference please paste a link to this post in your email.

Ciaran
  1. more than a month ago
  2. Commercial Templates
  3. # 7
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I went back into my Joomla51 account, made sure I downloaded the “Hayley for Joomla 4” template and reinstalled it and all the modules in the Joomla 4.x install folder. I still get the error. See http://whitecountylibraries.org/new . You might want to make sure you have the right one being provided in my downloads section on your site.

You can login at http://whitecountylibraries.org/new/administrator with the credentials I provided the other day. If you have trouble with the Firewall, can you just email me the correct template to try installing?
  1. more than a month ago
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  3. # 8
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Thank you Wendy

Could I ask you to allow us access to your Extensions Manager so we can update your template?

Ciaran
  1. more than a month ago
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  3. # 9
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I emailed you an admin login on the 27th. Is that not working to allow you to the Extensions Manager? Is the firewall asking you for a password before the actual login screen? Try again if that was the problem.
  1. more than a month ago
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  3. # 10
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Hello

We are able to access your administration however the user provided does not appear to have access to your Extensions manager.

Ciaran
  1. more than a month ago
  2. Commercial Templates
  3. # 11
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My apologies. I had set it to "administrator" and didn't realize that wouldn't give you what you needed. I have raised it to "Super User" so please try again.
  1. more than a month ago
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  3. # 12
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Were you able to login after I set your login to be a Super User? I need to get this resolved.
  1. more than a month ago
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  3. # 13
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I really need this resolved. I fixed your access a week ago.
  1. more than a month ago
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  3. # 14
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Bummer you are having to wait.

Assuming you have the correct template version, delete this folder on your server:

/public_html/templates/j51_haley/html

then re-install the template.

Refresh the front end and see what happens.

Pappy
  1. more than a month ago
  2. Commercial Templates
  3. # 15
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I'm afraid that didn't work, and yes, it is the most recent version. Here is what I did:
1. Using cPanel, File Manager, I deleted the folder you mentioned.
2. I logged in the /administrator backend and went to System, Extensions Install and uploaded the Joomla! 4.x Install Files/j51_hayley_j4 zipped template file.
3. I went to the frontend at https://whitecountylibraries.org/new/ and got the attached error.

Thanks for trying, Pappy. I hope Ciaran will respond soon. He is usually very prompt, so I'm not sure why this has taken over a week.
Attachments (1)
  1. more than a month ago
  2. Commercial Templates
  3. # 16
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Worth a try. Had to do that on several sites I migrated.

That is different than your previous error page and it does look like a template issue.
Do wish they used joomla update system for templates.

Let us know the fix.
  1. more than a month ago
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  3. # 17
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Hello

Apologies for the delay in resolving this issue. Strangely it was only today I noticed there was some modules that had not been updated to the Joomla 4 version. All should now be ok?

Ciaran
  1. more than a month ago
  2. Commercial Templates
  3. # 18
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