Cannot Install Oracle Developer Studio 12.5 When FOSS Evaluation Packages Were Already Installed (Doc ID 2297566.1)

# pkg install --accept developerstudio-125

# pkg install --accept developerstudio-125
Creating Plan (Running solver): -
pkg install: No solution was found to satisfy constraints

maintained incorporations:
 pkg://solaris/consolidation/SunVTS/SunVTS-incorporation@8.2.0-0.175.3.18.0.2.16
 pkg://solaris/consolidation/X/X-incorporation@0.5.11-0.175.3.19.0.2.1523
 pkg://solaris/consolidation/admin/admin-incorporation@0.5.11-0.175.1.0.0.5.0
 pkg://solaris/consolidation/cacao/cacao-incorporation@0.5.11-0.175.3.8.0.3.0
 pkg://solaris/consolidation/cde/cde-incorporation@0.5.11-0.175.3.0.0.16.0
 pkg://solaris/consolidation/cns/cns-incorporation@0.5.11-0.175.3.18.0.3.0
 pkg://solaris/consolidation/dbtg/dbtg-incorporation@0.5.11-0.175.3.0.0.29.0
 pkg://solaris/consolidation/ddt/ddt-incorporation@8.16.17.6.12-0.175.3.22.0.1.0
 pkg://solaris/consolidation/desktop/desktop-incorporation@0.5.11-0.175.3.19.0.1.0
 pkg://solaris/consolidation/desktop/gnome-incorporation@0.5.11-0.175.3.19.0.1.0
 pkg://solaris/consolidation/gfx/gfx-incorporation@0.5.11-0.175.1.0.0.5.0
 pkg://solaris/consolidation/ips/ips-incorporation@0.5.11-0.175.3.19.0.1.0
 pkg://solaris/consolidation/java-7/java-7-incorporation@1.7.0.141.11-0
 pkg://solaris/consolidation/java-8/java-8-incorporation@1.8.0.131.11-0
 pkg://solaris/consolidation/jdmk/jdmk-incorporation@0.5.11-0.175.2.0.0.22.0
 pkg://solaris/consolidation/l10n/l10n-incorporation@0.5.11-0.175.3.18.0.2.8
 pkg://solaris/consolidation/man/man-incorporation@0.5.11-0.175.3.0.0.28.0
 pkg://solaris/consolidation/nspg/nspg-incorporation@0.5.11-0.175.1.0.0.5.0
 pkg://solaris/consolidation/nvidia/nvidia-incorporation@0.5.11-0.175.3.0.0.17.0
 pkg://solaris/consolidation/osnet/osnet-incorporation@0.5.11-0.175.3.19.0.5.0
 pkg://solaris/consolidation/sfw/sfw-incorporation@0.5.11-0.175.3.0.0.30.0
 pkg://solaris/consolidation/sic_team/sic_team-incorporation@0.5.11-0.175.3.14.0.2.0
 pkg://solaris/consolidation/solaris_re/solaris_re-incorporation@0.5.11-0.175.3.11.0.4.0
 pkg://solaris/consolidation/ssm/ssm-incorporation@2.3.7.2-0.175.3.15.0.3.0
 pkg://solaris/consolidation/sunpro/sunpro-incorporation@0.5.11-0.175.3.13.0.1.0
 pkg://solaris/consolidation/ub_javavm-6/ub_javavm-6-incorporation@1.6.0.999.99-0
 pkg://solaris/consolidation/userland/userland-incorporation@0.5.11-0.175.3.19.0.2.0
 pkg://solaris/consolidation/xvm/xvm-incorporation@0.5.11-0.175.1.0.0.5.0
 pkg://solaris/entire@0.5.11-0.175.3.19.0.5.0

Plan Creation: Package solver is unable to compute solution.
Dependency analysis is unable to determine exact cause.
Try specifying expected results to obtain more detailed error messages.
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6.330user 0.320sys 0:24.91 26.6%