6750 Errors due to missing ID-Block

Hi, I received a couple of RCM 6750 Modules. At some I got the following
errormessages:

line   19 : WARNING SYSCONFIG.LIB   : _DC_CLK_DBL_ should always be
defined, but was not defined:
line   20 : WARNING SYSCONFIG.LIB   :   Defined _DC_CLK_DBL_ to 0
(disabled clock doubler recommendation).
line   27 : ERROR BOARDTYPES.LIB   : No ID Block found on the target
board.
line   28 : ERROR BOARDTYPES.LIB   : Please contact Rabbit Technical
Support at http://www.digi.com/support for assistance.

I looked for a solution and found this code for rewriting the ID-Block:

http://www.digi.com/support/productdetail?pid=4978&type=documentation 

I filled in the defines for RCM6750 and compiled the code.
I received the following warning and got a timeout, because of no
targetresponse.

line  514 : WARNING MEMORY_LAYOUT.LIB   : XMEMCODE_SIZE redefined to
prevent ID+User blocks area conflict.

For that, I can't find a solution. Do you guys know a solution to fix it?

Thanks for your help!

Pasqual
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