Drupal 6.x

• Advisory ID: DRUPAL-SA-CONTRIB-2016-008
• Project: FileField (third-party module)
• Version: 6.x
• Date: 2016-February-24
• Security risk: 11/25 ( Moderately Critical) AC:Complex/A:User/CI:None/II:Some/E:Proof/TD:All
• Vulnerability: Denial of Service

Greetings, I'm new to the forums. If I've posted this to the wrong location please let me know and I'll remove it.

Adsense module provides facility to convert "adsense tag" in to adsense code.

for exm, adsense tag is: [adsense:336x280:ad-slot id]
and code should generate like this:

My Drupal 6 website has been working fine for many months.

Now all of a sudden, it's displaying the following error messages:

over the past 2 years i have tried several times to upgrade my drupal 6 installation to drupal7. each time i do, i get the white screen of death.
i do not see any errors when i do.

pls. help, i need to get to drupal8 so this is still step 1 of stage 1 of a long journey.
ps. if there is a workaround, pls do tell

thank you very much in advance

I was wondering if anyone has any experience with connecting to an external mysql database with either feeds or webform mysql. I currently have drupal 7 installed and am willing to switch to drupal 6. Any advice would be helpful. Which is the better way to do this?