vb 4.2.5 white screen in admincp

[loulou et moi]

Now, I have other problem.

I have vbulletin 4.2.5 now and on another internet address. I changed this address in setting / option / name site / URL / contact, but when I go to this new address,...

[loulou et moi]

ok, thank you

[loulou et moi]

Works with php 7.0.

It's normally ?????

vBulletin 4.2.5 requires PHP 5.6.0+ and MySQL 5.5.8+

[loulou et moi]

Hello,

I upgraded vb4.1.10 to 4.2.5 and all went well. But when I want to go in my admincp, the page remains white.

I use php 5.6

Thank you for your help

[loulou et moi]

ok, thank you

[loulou et moi]

Dear sir,

I have a problem in editing in the message editor or topics.

All messages containing characters with accents cause problem in the modification of a message or private...

[loulou et moi]

Thank you

It's perfect

[loulou et moi]

Hello

I am trying to update vbulletin 4.1.10 to 4.2.5 but I have this error before installation.

Fatal error: Call to undefined function mysqli_init() in /home/xxxxxxx/publi...

[loulou et moi]

Now, it's perfect

Thank you

[loulou et moi]

Indeed, there are all vbulletin 4.1.10 files.
I will delete them

[loulou et moi]

I use php 7.2

[loulou et moi]

Hello dear sir,

I upgraded vbulletin 4.1.10 to 5.5.1 and the installation was successful.
But impossible to access admincp, first, I have the login and after I have these errors on...