Upgrade to Joomla 3 to Joomla 4. How to solve sql error? - joomla3.0

currently, wanted to upgrade to joomla 4 and now crashes everything.
Is there any solution to get back joomla3 website on a normal mode?

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Failed to load resource: net::ERR_HTTP2_PROTOCOL_ERROR in our React app with .Net core 3.1

I am facing following error in our React with .NET core 3.1 application. Our application was working perfectly until yesterday. Today my system auto rebooted post windows auto updates after that my application stopped working.
The home page is blank and the following error in chrome and Edge browser.
"Failed to load resource: net::ERR_HTTP2_PROTOCOL_ERROR"
Updating Visual studio to Version 16.9.7 fixed the issue for me.
https://learn.microsoft.com/en-us/visualstudio/releases/2019/history#installing-an-earlier-release
See some discussion here, they mention that the root cause is KB5003637 windows update installed. It also happens in my case: two days ago the app started to have errors like yours.
One of solutions is to uninstall the patch until MS releases a second patch.
I can add that I'm getting the same error in Blazor. I thought it was just a VS thing, but my live website is also failing randomly (about 1 time in 20). So it looks a lot like a Windows problem.

Remove welcome video on dotnetnuke new install

I have just installed DNN and the website loads successfully. It allows me to login with the host user but a second or 2 later it overlays a "Welcome to Evoq" youtube video which I can't close. I have to close it in order to get to the admin screens to apply my customisation. There is no close option and no scroll bar
I have installed DNN9 on Windows 10, SQLServer Azure db, IIS 10
Note that I am new to DNN and this is my first install. Any guidance will be most appreciated
I would start over again and specifically start with DNN 9.08.01. There are some good videos out there on installing DNN and watching one or two might reveal the detail or step you need to get things working. Its usually pretty easy and just works. If you are just installing a local copy to play with, I highly recommend you give nvQuickSite v2.x a try.

DNN upgrade - Portal.css not loading

We got a DNN website which was working on V.8.00.04 version. we upgraded this site from 8.00 to 9.01.01 version by following the steps mentioned in the DNN website. The upgrade was not too fast and we didn't see any issue while the upgrade was done. How ever, the site does not load any of the portal/css or portal/files. Basically the site loads without style sheet. I am seeing server 500 error for portal/files in the developer tools. Any help on how this can be fixed? thanks
Fix I tried:
I checked the portal folder and all the skins and styles are residing there
Changed the app pool to v.4.5 classic mode - no impact
Checked on the back-end for portal paths and everything looks clean

Wordpress database returns error 500

I have upgraded wordpress to latest version 4.2. Wordpress got updated successfully, website is visible. But when i access mywebsite.com/wp-admin It asks me to update to the newest wordpress database, I click that update button and after a while it returns error 500 Internal Server Error.
I tried to rename plugin folder/ my theme as well but to no avail.
Please help me resolve this issue.
Thank you very much,
This was an extremely tricky one! I had to enter PhpMyAdmin and update manually the db_version in wp_options (http://prntscr.com/6yqm5l) with the version number from the latest wordpress download package (http://prntscr.com/6yqnew)
I hope this will help others who ever encounter this issue.
Thank you,

JDeveloper 12c doesnt show ADF mobile extension

I am newbie in java programming world. I want to try ADF mobile. After reading some post saying upgrade or get latest JDeveloper, I decide to get JDeveloper12c from oracle website.
My problem is, my JDeveloper 12c does not show any extension ADF mobile even though I followed the check update instruction.
I have tried downloading adf mobile zip file but it does not support JDeveloper 12c. I do not know what to do now.
ADF Mobile has been replaced with Oracle MAF - a newer version that has all that was in ADF Mobile and much more.
Get JDeveloper 12.1.3 and use the MAF extension.
ADF mobile is not yet to released with 12 c . it is still on JDev version 11.1.2.4
Edit : You can now use Jdev 12.1.3 for ADF Mobile development( Oracle Mobile Application Framework).
Sample URL : http://docs.oracle.com/cd/E53569_01/tutorials/tut_jdev_maf_app/tut_jdev_maf_app.html
Use the version of JDev that does support ADF Mobile: here.
You may find the main JDev page useful.
As well as my link aggregations.

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