error for add a icon in the links

[Joselito1980]

in the last version of Heimdall V.2.5.6.
not is possible add a icon in the links. (appears a white screen with the error "500 Internal Server Error
nginx"

[jvalrog]

getting this error too

Reverting to 2.5.5 fixed the problem for me.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. This might be due to missing feedback from OP. It will be closed if no further activity occurs. Thank you for your contributions.

[wxf158]

docker 重新拉取镜像也无法修复该问题，版本为2.5.6

[LinuxServer-CI]

This issue has been automatically marked as stale because it has not had recent activity. This might be due to missing feedback from OP. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue is locked due to inactivity