spotweb: Failed loading XML: Non-fatal: Updating black/whitelist failed, most likely unreachable!

Describe the bug/issue

• A clear and concise description of what the bug is.

Failed loading XML: 
Non-fatal: Updating black/whitelist failed, most likely unreachable!

Have you searched the internet or Github for an answer?

• Please search google if similar issue has been reported and fixed before.

To Reproduce Steps to reproduce the behavior:

1. Go to ‘…’
2. Click on ‘…’
3. Scroll down to ‘…’
4. See error

php retrieve.php

Expected behavior

• A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Spotweb Version [e.g. 1.4.8]
• Which branch (Master/Develop)
• PHP version
• Device information (ReadyNAS/Synology/FreeNAS)

Debian11

Latest commit (develop)

php 8.1.9

Smartphone if applicable (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Spotweb Version [e.g. 1.4.8]
• Which branch (Master/Develop)
• PHP version
• Device information (ReadyNAS/Synology/FreeNAS)

Additional context Provide any other information about the bug or issue that can further help debugging here.