ONLINE_TEMPLATES: unbound variable

[remklov]

✅ Have you read and understood the above guidelines?

yes

📜 What is the name of the script you are using, or where do you have Problems?

Dispatcharr

📝 Provide a clear and concise description of the issue.

When installing dispatcharr the installer is stuck in

/dev/fd/63: line 3019: ONLINE_TEMPLATES: unbound variable
⠦ Searching for template 'debian-13'

It seems that the latest commit to ProxmoxVED/misc/build.func introduced this error, because with the previous version it still works. The commit in question: 61e3721

This version still works:
https://github.com/community-scripts/ProxmoxVED/blob/3e31d59d82006a89bf172e2d47ec7f332c60769b/misc/build.func

🔄 Steps to reproduce the issue.

1. Execute bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main/ct/dispatcharr.sh)"
2. Add desired configuration
3. Start creating LXC container

❌ Paste the full error output (if available).

⠋ Validating content types of template storage 'local'[DEBUG] 
TEMPLATE_SEARCH='debian-13' 
[DEBUG] SEARCH_PATTERN='^debian-13-'
[DEBUG] TEMPLATE_PATTERN='-standard_'
 ⠧ Searching for template 'debian-13'
[DEBUG] pveam available output (first 5 lines with .tar files):
 ⠦ Searching for template 'debian-13' 
system almalinux-9-default_20240911_amd64.tar.xz 
system alpine-3.20-default_20240908_amd64.tar.xz 
system alpine-3.21-default_20241217_amd64.tar.xz 
system alpine-3.22-default_20250617_amd64.tar.xz 
system archlinux-base_20240911-1_amd64.tar.zst 
/dev/fd/63: line 3019: ONLINE_TEMPLATES: unbound variable 
⠦ Searching for template 'debian-13'

🖼️ Additional context (optional).

No response