Type '|1' must be a value type or a type argument constrained to 'Structure' in order to be used with 'Nullable' or nullable modifier '?'.
Type '|1' cannot be used in this context because 'In' and 'Out' type parameters cannot be used for ByRef parameter types, ...
Type '|1' cannot be used in this context because 'In' and 'Out' type parameters cannot be used for ByRef parameter types, ...
Type '|1' cannot be used in this context because both the context and the definition of '|1' are nested within interface ...
Type '|1' in assembly '|2' has been forwarded to assembly '|3'. Either a reference to '|3' is missing from your project or ...
Type '|1' must be a value type or a type argument constrained to 'Structure' in order to be used with 'Nullable' or nullable ...
Type '|2' is imported from different versions of assembly |1. Different versions of the same strong-named assembly cannot ...
Type argument '|1' must have a public parameterless instance constructor to satisfy the 'New' constraint for type parameter ...
Type argument inference failed for type parameter '|1' of '|2'. Type argument could not be inferred from the argument passed ...
Type argument inference failed for type parameter '|1' of '|2'. Type argument inferred from the argument passed to parameter ...