ok i find the solution note:
1901938 - Unable to install Add on SAP NW Gateway 2.0 - IW_FND 250
However to define the queue in SAINT or to install the add-on on a NW731 system please include the released ACP(attribute change package) for the addon "IW_FND====250" released in SMP.
->Search for Support Packages and Patches
->IW_FND====250