Hi!

I have created a checkbox list datatype with a handfull of custom values on an Umbraco 4.11.5 site. The problem I'm experiencing is that if I check more than one checkbox in this list, none of the values are displayed in umbraco.config. But if only one value is checked, that value is displayed in umbraco.config.

So here's what the umbraco.config XML looks like with only one value checked:

<portfolioCategories><![CDATA[Editorial]]></portfolioCategories>

If I check two or more values the data in umbraco.config looks like this:

<portfolioCategories><![CDATA[]]></portfolioCategories>

I don't know if you are helped by this background info, but in the admin interface it looks like this:

The datatype looks like this:

Something that is worth noting is that the site was originally created in Umbraco 4.8.1, but before I released it I upgraded it to 4.11.5. I followed the upgrade instruction to the point and did the upgrades incrementally with one major version at the time (4.8.1 -> 4.9.1 -> 4.10.1 -> 4.11.5) and did some basic testing along the way. Apart from this strange error, the upgrade caused no problems. I'm not sure that this has anything to do with the problem I'm experiencing, but I'm just mentioning it here.

I have tried some things myself before posting here:

• Changed the order of the values - no effect.
• Created a new datatype with the same values and replaced the old one - no effect.
• Changed the data type, trying both Ntext and Nvarchar - no effect.

Does anyone recognise this error?
Where do I start if I want to look for the source of this error? I'm not getting any error messages so it's hard to know where to start digging?
Are there any workarounds?

Thanks in advance!