Deploy error SQL01268: .Net SqlClient Data Provider: Msg 6212, Level 16, State 1, Line 1 CREATE ASSEMBLY failed because method '' on type '' in safe assembly '' is storing to a static field. Storing to a static field is not allowed in safe assemblies.

When we will deploy a CLR objects like CLR stored procedures, CLR data types etc from visual studio we may get error message like:

Deploy error SQL01268: .Net SqlClient Data Provider: Msg 6212, Level 16, State 1, Line 1 CREATE ASSEMBLY failed because method '' on type '' in safe assembly '' is storing to a static field. Storing to a static field is not allowed in safe assemblies.

Solution:

Set the permission level of your project unsafe. For this select Database tab in properties window of your project and choose Permission level Unsafe.

Now build the project solution.