Member DataType creation - SQL Error

I was using the Member section and adding custom data types with no issues.

For no apparent reason I am getting this error when I try to create a new data type in any (including default Member) Member Type.

Anyone can shed some light what might be the likely issue? Would be greatly appreciated!


The INSERT statement conflicted with the FOREIGN KEY constraint "FK_cmsPropertyType_cmsDataType_nodeId". The conflict occurred in database "STAGING", table "dbo.cmsDataType", column 'nodeId'.
The statement has been terminated.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.Data.SqlClient.SqlException: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_cmsPropertyType_cmsDataType_nodeId". The conflict occurred in database "STAGING", table "dbo.cmsDataType", column 'nodeId'.
The statement has been terminated.

Source Error: 
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 

[SqlException (0x80131904): The INSERT statement conflicted with the FOREIGN KEY constraint "FK_cmsPropertyType_cmsDataType_nodeId". The conflict occurred in database "STAGING", table "dbo.cmsDataType", column 'nodeId'.
The statement has been terminated.]
   System.Runtime.Remoting.Proxies.RealProxy.EndInvokeHelper(Message reqMsg, Boolean bProxyCase) +506
   System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(Object NotUsed, MessageData& msgData) +401
   System.Action`1.EndInvoke(IAsyncResult result) +0
   System.Web.UI.d__3.MoveNext() +603
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +144
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +84
   System.Web.UI.d__0.MoveNext() +507
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +144
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +84
   System.Web.UI.d__2c.MoveNext() +1145


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Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34249


This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/71053-member-datatype-creation-sql-error