Keywords: association, constraints, top
If the lower-level module has never been set as top, creating and associating a new User Constraints File (UCF) to it causes the following error message:
"ERROR:ProjectMgmt - TOE: ITclInterp::ExecuteCmd gave Tcl result 'invalid command name "0"'.
Tcl_ErrnoId: ENOENT
Tcl_ErrnoMsg: no such file or directory
_cmd: ::xilinx::Dpm::dpm_chCreateNewSource $piThisInterface
errorInfo: invalid command name "0"
while executing "$_obj GetInterface $id"
(procedure "_GetInterface" line 13) invoked from within "_GetInterface $_IView IPropertyInstanceSet"
(procedure "_GetViewProperty" line 8)
invoked from within "_GetViewProperty $_iView "PROP_TopDesignUnit" _TopDUName" (procedure "::xilinx::Dpm::dpm_chCreateNewSource" line 79)
invoked from within "::xilinx::Dpm::dpm_chCreateNewSource $piThisInterface""
The constraints file is not created or added to the project.