diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 56d1c66fa4..0ab8d26353 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -268,7 +268,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         /// </remarks>
         private void InitLSL()
         {
-            m_LSL_Api ??= (LSL_Api)m_ScriptEngine.GetApi(m_item.ItemID, "LSL");
+            if (m_LSL_Api == null)
+            {
+                m_LSL_Api = (LSL_Api)m_ScriptEngine.GetApi(m_item.ItemID, "LSL");
+                if (m_LSL_Api == null)
+                    throw new Exception("OSSL failed to load LSL API");
+            }
         }
 
         //
@@ -2811,7 +2816,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.VeryLow, "osForceCreateLink");
 
             InitLSL();
-            m_LSL_Api?.CreateLink(target, parent);
+            m_LSL_Api.CreateLink(target, parent);
         }
 
         public void osForceBreakLink(int linknum)
@@ -2819,7 +2824,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.VeryLow, "osForceBreakLink");
 
             InitLSL();
-            m_LSL_Api?.BreakLink(linknum);
+            m_LSL_Api.BreakLink(linknum);
         }
 
         public void osForceBreakAllLinks()
@@ -2827,7 +2832,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.VeryLow, "osForceBreakAllLinks");
 
             InitLSL();
-            m_LSL_Api?.BreakAllLinks();
+            m_LSL_Api.BreakAllLinks();
         }
 
         public LSL_Integer osIsNpc(LSL_Key npc)
@@ -3258,7 +3263,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 InitLSL();
-                m_LSL_Api?.ThrottleSay(channel, 2000);
+                m_LSL_Api.ThrottleSay(channel, 2000);
                 module.Say(npcId, World, message, channel);
             }
         }
@@ -3291,7 +3296,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             string npcNAME = NPCpresence.Name;
 
             InitLSL();
-            m_LSL_Api?.ThrottleSay(channel, 2000);
+            m_LSL_Api.ThrottleSay(channel, 2000);
             wComm.DeliverMessageTo(TargetID, channel, npcPOS, npcNAME, npcId, msg);
         }
 
@@ -3308,7 +3313,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 InitLSL();
-                m_LSL_Api?.ThrottleSay(channel, 2000);
+                m_LSL_Api.ThrottleSay(channel, 2000);
                 module.Shout(npcId, World, message, channel);
             }
         }
@@ -3902,7 +3907,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel();
 
             InitLSL();
-            m_LSL_Api?.SetPrimitiveParamsEx(prim, rules, "osSetPrimitiveParams");
+            m_LSL_Api.SetPrimitiveParamsEx(prim, rules, "osSetPrimitiveParams");
         }
 
         /// <summary>
@@ -4162,7 +4167,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.High, "osForceAttachToAvatar");
 
             InitLSL();
-            m_LSL_Api?.AttachToAvatar(attachmentPoint);
+            m_LSL_Api.AttachToAvatar(attachmentPoint);
         }
 
         public void osForceAttachToAvatarFromInventory(string itemName, int attachmentPoint)
@@ -4193,19 +4198,19 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             TaskInventoryItem item = m_host.Inventory.GetInventoryItem(itemName);
             if (item is null)
             {
-                m_LSL_Api?.llSay(0, $"Could not find object '{itemName}'");
+                m_LSL_Api.llSay(0, $"Could not find object '{itemName}'");
                 throw new Exception($"The inventory item '{itemName}' could not be found");
             }
 
             if (item.InvType != (int)InventoryType.Object)
             {
-                m_LSL_Api?.llSay(0, $"Unable to attach, item '{itemName}' is not an object.");
+                m_LSL_Api.llSay(0, $"Unable to attach, item '{itemName}' is not an object.");
                 throw new Exception($"The inventory item '{itemName}' is not an object");
             }
 
             if ((item.Flags & (uint)InventoryItemFlags.ObjectHasMultipleItems) != 0)
             {
-                m_LSL_Api?.llSay(0, $"Unable to attach coalesced object, item '{itemName}'");
+                m_LSL_Api.llSay(0, $"Unable to attach coalesced object, item '{itemName}'");
                 throw new Exception($"The inventory item '{itemName}' is a coalesced object");
             }
 
@@ -4220,7 +4225,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 m_log.ErrorFormat(
                     "[OSSL API]: Could not create user inventory item {0} for {1}, attach point {2} in {3}: {4}",
                     itemName, m_host.Name, attachmentPoint, World.Name, message);
-                m_LSL_Api?.llSay(0, message);
+                m_LSL_Api.llSay(0, message);
                 return;
             }
 
@@ -4232,7 +4237,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.High, "osForceDetachFromAvatar");
 
             InitLSL();
-            m_LSL_Api?.DetachFromAvatar();
+            m_LSL_Api.DetachFromAvatar();
         }
 
         private static bool listObjToInt(object p, out int i)
@@ -5107,9 +5112,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 return;
 
             InitLSL();
-            if(m_LSL_Api is null)
-                return;
-
             List<SceneObjectPart> sops = m_LSL_Api.GetLinkParts(linknum);
             if(sops is null || sops.Count == 0)
                 return;
@@ -5622,9 +5624,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void osSetLinkSitActiveRange(LSL_Integer linkNumber, LSL_Float v)
         {
             InitLSL();
-            if(m_LSL_Api is null)
-                return;
-
             float fv = (float)v.value;
             if (fv > 128f)
                 fv = 128f;
@@ -5931,20 +5930,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void osParticleSystem(LSL_List rules)
         {
             InitLSL();
-            m_LSL_Api?.SetParticleSystem(m_host, rules, "osParticleSystem", true);
+            m_LSL_Api.SetParticleSystem(m_host, rules, "osParticleSystem", true);
         }
 
         public void osLinkParticleSystem(LSL_Integer linknumber, LSL_List rules)
         {
             InitLSL();
-            if (m_LSL_Api is not null)
-            {
-                List<SceneObjectPart> parts = m_LSL_Api.GetLinkParts(linknumber);
 
-                foreach (SceneObjectPart part in parts)
-                {
-                    m_LSL_Api.SetParticleSystem(part, rules, "osLinkParticleSystem", true);
-                }
+            List<SceneObjectPart> parts = m_LSL_Api.GetLinkParts(linknumber);
+            foreach (SceneObjectPart part in parts)
+            {
+                m_LSL_Api.SetParticleSystem(part, rules, "osLinkParticleSystem", true);
             }
         }