Object reference not set to an instance 0f an object
289
What is a NullReferenceException, and how do I fix it?
7935
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
84493
Can't set attributes on instance of "object" class
69771
NullPointerException when setting attribute?
83890
Uninitialized values being initialized?
45188
How do I pass a variable by reference?
138471
Why is the Descriptor not getting called when defined as instance attribute?
32065
Attempt to de-reference a null object: Trigger
149666
Why can't a null-reference exception name the object that has a null reference?
107423
After ExecuteScalar: Object reference not set etc
108336
Nullable Object must have a value #2
50046
java : non-static variable cannot be referenced from a static context Error
7330
Java - No enclosing instance of type Foo is accessible
126943
Instantiate objects in a List and use it
154262
List has no rows for assignment to SObject
78212
[__NSCFDictionary objectAtIndex:]: unrecognized selector sent to instance
118541
How to pass a default argument value of an instance member to a method?