fix viewlayer removal error

1.8.14

- fixed: error when trying remove a viewlayer

CHANGELOG.md

@@ -14,6 +14,10 @@ Activate / deactivate layer opacity according to prefix
 Activate / deactivate all masks using MA layers
 -->
 
+1.8.14
+
+- fixed: error when trying remove a viewlayer
+
 1.8.13
 
 - changed: improve `connect to fileoutput` feature:

OP_clean.py

@@ -90,10 +90,16 @@ class GPEXP_OT_clean_compo_tree(bpy.types.Operator):
 
         if self.clear_unused_view_layers:
             used_rlayer_names = [n.layer for n in nodes if n.type == 'R_LAYERS']
+            vl_number = len(scn.view_layers)
+            if vl_number > 1:
                 for rl in reversed(scn.view_layers):
-                if rl.name in used_rlayer_names or rl.name == 'View Layer':
+                    if vl_number <= 1:
+                        ## Do not try to remove the last view layer (can use try except with RuntimeError check)
+                        break
+                    if rl.name in used_rlayer_names or rl.name in ('View Layer', 'ViewLayer'):
                         continue
                     scn.view_layers.remove(rl)
+                    vl_number -= 1
 
         if self.arrange_rl_nodes:
             fn.rearrange_rlayers_in_frames(node_scene.node_tree)

__init__.py

@@ -2,7 +2,7 @@ bl_info = {
     "name": "GP Render",
     "description": "Organise export of gp layers through compositor output",
     "author": "Samuel Bernou",
-    "version": (1, 8, 13),
+    "version": (1, 8, 14),
     "blender": (3, 0, 0),
     "location": "View3D",
     "warning": "",