I have to working copies from the very same repo: WC1 and WC2.
Doing
$ svn cp $WC1/file.sh .
where . is WC2 leads to:
subversion/svn/copy-cmd.c:181,
subversion/libsvn_client/copy.c:2332,
subversion/libsvn_client/copy.c:2232,
subversion/libsvn_client/copy.c:240,
subversion/libsvn_client/copy.c:217,
subversion/libsvn_wc/copy.c:855,
subversion/libsvn_wc/copy.c:826,
subversion/libsvn_wc/copy.c:259,
subversion/libsvn_wc/wc_db.c:4651,
subversion/libsvn_subr/sqlite.c:1153,
subversion/libsvn_subr/sqlite.c:1117,
subversion/libsvn_wc/wc_db.c:4599,
subversion/libsvn_subr/sqlite.c:1153,
subversion/libsvn_subr/sqlite.c:1117,
subversion/libsvn_wc/wc_db.c:4611,
subversion/libsvn_wc/wc_db.c:4558,
subversion/libsvn_wc/wc_db.c:3781,
subversion/libsvn_wc/wc_db.c:1006,
subversion/libsvn_subr/sqlite.c:312,
subversion/libsvn_subr/sqlite.c:294: (apr_err=SVN_ERR_SQLITE_CONSTRAINT)
svn: E200035: sqlite[S19]: foreign key constraint failed
subversion/libsvn_subr/sqlite.c:691: (apr_err=SVN_ERR_SQLITE_CONSTRAINT)
svn: E200035: Zusätzliche Fehler:
subversion/libsvn_subr/sqlite.c:691: (apr_err=SVN_ERR_SQLITE_CONSTRAINT)
svn: E200035: sqlite[S19]: foreign key constraint failed
Tried with: svn, Version 1.8.5-dev (under development) revision 1538972