Broken Grahphs

[brent_worrey]

Getting broken graph icons on all devices

I am stumped

[NotARobot]

I have the same problem

[NotARobot]

I have no idea what could be wrong here Can anyone assist where we can start looking

[NotARobot]

Hi

Can anyone assist here please.

Thanks

[LorisAlbanese]

hi, same problem here. apparently without any reason, graph are borken from few days. enabling debug ,
and opening in a new window any graph (/graph.php?to=1621684200&type=device_processor&from=1621597800&legend=no&lazy_w=845&device=8&height=60&width=113) , i see this error:

{
“message”: “Argument 1 passed to get_image_type() must be of the type string, null given, called in /opt/librenms/includes/html/graphs/graph.inc.php on line 112”,
“exception”: “TypeError”,
“file”: “/opt/librenms/includes/html/functions.inc.php”,
“line”: 1031,
“trace”: [
{
“file”: “/opt/librenms/includes/html/graphs/graph.inc.php”,
“line”: 112,
“function”: “get_image_type”
},
{
“file”: “/opt/librenms/html/graph.php”,
“line”: 29,
“function”: “require”
}
]
}

and trying to fix it i hade no luck.

any hint?
thank you.

[LorisAlbanese]

Solved. once entered as admin → global setting → Web ui → graph setting → “set the graph type” to PNG.
problem vanished.