[Qgis-user] Provider Error

[Richard Duivenvoorde]

Mmm, that should just work.

Is the shapefile maybe in a zip?
Is it read only on the file system?
If you save it as (another) shp file, does it behave the same?


Else: can you sent me (a part of) the shp so I can test here?

Regards,

Richard Duivenvoorde



On 07/13/2018 02:57 PM, Martin Bittens wrote:
> Hello Richard,
> 
> it is a shapefile I am working with.
> 
> 
> Martin
> 
> 
> Am 7/13/2018 um 9:53 AM schrieb Richard Duivenvoorde:
>> Depending on the type of provider, you can or can not add fields.
>>
>> Eg, if I'm correct a csv file will not work.
>>
>> You can see in the properties of the layer what the 'capabilities' are
>> of a provider.
>> So to make this possible, you could first create a geopackage or
>> shapefile from it? And then back?
>>
>> Regards,
>>
>> Richard
>>
>> On 07/13/2018 02:25 PM, Martin Bittens wrote:
>>> Hello QGIS Users.
>>>
>>>
>>> I want to create a text field in an attribute table which contains some
>>> data points by using the field calculator. So I selected:
>>>
>>>
>>> - Create a new field
>>>
>>> - Output field name: Comment
>>>
>>> - Output field type: Text (string)
>>>
>>> - Output field length: 10
>>>
>>> - Text input: 'Area 2'
>>>
>>>
>>> The Output preview shows: 'Area 2'. By clicking on "OK" I receive the
>>> following message: "Could not add the new field to the provider"
>>>
>>> My system is: Windows 10, QGIS2.18.21.
>>>
>>> In the previous versions of QGIS I did not get that error when I added
>>> with the field calculator text fields in attribute tables.
>>>
>>> Does somebody know a solution solving the error?
>>>
>>>
>>> Thank you very much.
>>>
>>>
>>> Martin
>>>
>>>
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>