Invalid element . Unknown task or datatype
59628
nant: invalid element nunit2. Unknown task or datatype
117968
Getting error: The content of element type "web-app" must match,
100918
SelectedValue which is invalid because it does not exist in the list of items
40818
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
6931
What causes javac to issue the "uses unchecked or unsafe operations" warning
47834
What is wrong with this statement? 'Unknown column'?
40339
Why is this HtmlAgilityPack operation invalid when there are, indeed, matching elements?
87275
Getting Cross-thread operation not valid
49
What is a NullPointerException, and how do I fix it?
93966
The ViewData item that has the key 'XXX' is of type 'System.Int32' but must be of type 'IEnumerable'
117344
Crash when using performSelector: with a SEL passed from another class
84531
Mixed DML operation error
81161
"Unable to cast object of type 'System.Byte[]' to type 'System.IConvertible'." error in Photo: why and how do I fix it?
95208
The method getText() is undefined for the type String error
12141
Getting "type or namespace name could not be found" but everything seems ok?
96381
0xC0020001: The string binding is invalid. - Only occurring in WPF
58309
Error: unrecognized selector sent to instance