Thank you kindly, Patnad, for a patch that:

This is to handle the changes in the v1.23 viewer 
of LL regarding the adult rating. With this patch 
a region can be changed to the adult rating from 
LL viewer v1.23 and above.

1 files changed, 2 insertions, 0 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index f9feb7f..8102b2f 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -7995,6 +7995,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             reply = "PG";
                         else if (access == 1)
                             reply = "MATURE";
+                        else if (access == 2)
+                            reply = "ADULT";
                         else
                             reply = "UNKNOWN";
                         break;