[#22617] Using register/unregister alone crashes blender

wasnt crashing anymore but made exception message clearer.

1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/python/intern/bpy_rna.c b/source/blender/python/intern/bpy_rna.c
index 69caee898a0..4a9c69ebedd 100644
--- a/source/blender/python/intern/bpy_rna.c
+++ b/source/blender/python/intern/bpy_rna.c
@@ -4235,18 +4235,18 @@ StructRNA *pyrna_struct_as_srna(PyObject *self, int parent, const char *error_pr
 	}
 
 	if(py_srna==NULL) {
-		 PyErr_Format(PyExc_SystemError, "%.200s internal error, self of type '%.200s' had no bl_rna attribute, should never happen", error_prefix, Py_TYPE(self)->tp_name);
+		 PyErr_Format(PyExc_SystemError, "%.200s, missing bl_rna attribute from '%.200s' instance (may not be registered)", error_prefix, Py_TYPE(self)->tp_name);
 		return NULL;
 	}
 
 	if(!BPy_StructRNA_Check(py_srna)) {
-		 PyErr_Format(PyExc_SystemError, "%.200s internal error, bl_rna was of type '%.200s', instead of %.200s instance", error_prefix, Py_TYPE(py_srna)->tp_name, pyrna_struct_Type.tp_name);
+		 PyErr_Format(PyExc_SystemError, "%.200s, bl_rna attribute wrong type '%.200s' on '%.200s'' instance", error_prefix, Py_TYPE(py_srna)->tp_name, Py_TYPE(self)->tp_name);
 		 Py_DECREF(py_srna);
 		return NULL;
 	}
 
 	if(py_srna->ptr.type != &RNA_Struct) {
-		PyErr_Format(PyExc_SystemError, "%.200s internal error, bl_rna was not a RNA_Struct type of rna struct", error_prefix);
+		PyErr_Format(PyExc_SystemError, "%.200s, bl_rna attribute not a RNA_Struct, on '%.200s'' instance", error_prefix, Py_TYPE(self)->tp_name);
 		 Py_DECREF(py_srna);
 		return NULL;
 	}