Gauge chart editor, fields disappearing after saving

Hello,
Try to use the gauge chart, and i have some issue with the editor, after some test got it to work but after saving it, a part of the form disappeared.

Reload the CSV didnt help that much, only the select column fields are showing again.

Got it, the edit didnt like that one of my column label contain a %. By remove it, relaoding the csv, save/close the chart and open it again, it's work again.

Can be good to check this issue, surely a bad escape of the %.

Please send us backend and ftp details via Contact us page.

Hello, i have already send the info for a another issue (google map issue)
If you have deleted them, i will send it back tomorrow.

Hello again,
It's seem the issue is more random than i thought and not link specifically to a charset or escape char like i was thinking originally.
On several charts, of different type each, and different CSV file as datasource, this issue can happen.
It generally happen after the initial saving/closing of the edit page, sometime, when opening the edit form for the same chart, it will open correctly or open with a broken form. It happen with or without modification in the settings of the chart in between.
Just opening and saving/closing can trigger the issue.

Hello,
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