Fehlstart: executePreparedStatement failed

[Thomas Hempel]

Hier noch die Tabellendefinition aus meinem SQL-Server:
USE [nuclos]
GO
/****** Objekt: Table [nuclos].[T_MD_USER] Skriptdatum: 03/10/2014 16:18:43 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [nuclos].[T_MD_USER](
[STRUID] [varchar](128) NOT NULL,
[STRNUCLOSORIGINUID] [varchar](128) NULL,
[INTNUCLOSIMPORTVERSION] [numeric](9, 0) NULL,
[DATCREATED] [datetime] NOT NULL,
[STRCREATED] [varchar](30) NOT NULL,
[DATCHANGED] [datetime] NOT NULL,
[STRCHANGED] [varchar](30) NOT NULL,
[INTVERSION] [numeric](9, 0) NOT NULL,
[STRPASSWORD] [varchar](255) NULL,
[OBJPREFERENCES] [varbinary](max) NULL,
[STRUID_T_UD_GROUP] [varchar](128) NULL,
[STRFIRSTNAME] [varchar](255) NOT NULL,
[STRLASTNAME] [varchar](255) NOT NULL,
[STREMAIL] [varchar](255) NULL,
[STRUSER] [varchar](30) NOT NULL,
[INTLOGINATTEMPTS] [numeric](9, 0) NULL,
[DATLASTLOGIN] [datetime] NULL,
[BLNREQUIREPASSWORDCHANGE] [numeric](1, 0) NULL,
[DATEXPIRATIONDATE] [datetime] NULL,
[DATPASSWORDCHANGED] [datetime] NULL,
[BLNLOCKED] [numeric](1, 0) NULL,
[BLNSUPERUSER] [numeric](1, 0) NOT NULL,
CONSTRAINT [PK__GQ5EXB2CE7SLZET5DSP224YSWI] PRIMARY KEY CLUSTERED
(
[STRUID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY],
CONSTRAINT [XAK__IBUTOE2IPHXC37OKJM6UPW262] UNIQUE NONCLUSTERED
(
[STRUSER] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
ALTER TABLE [nuclos].[T_MD_USER] WITH CHECK ADD CONSTRAINT [XR__74FU4I6LXVMOFVOTEF6GXRZSQ5] FOREIGN KEY([STRUID_T_UD_GROUP])
REFERENCES [nuclos].[T_UD_GROUP] ([STRUID])
GO
ALTER TABLE [nuclos].[T_MD_USER] CHECK CONSTRAINT [XR__74FU4I6LXVMOFVOTEF6GXRZSQ5]