Cause
The column contains a data type (image, document, ...) that can not be edited within the table .
Solution
Edit the data by clicking the editor symbol on the right upper corner of the cell. The data will be edited in separated dialog.
The column contains a data type (image, document, ...) that can not be edited within the table .
Edit the data by clicking the editor symbol on the right upper corner of the cell. The data will be edited in separated dialog.