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-rw-r--r--acf/model/init.lua1
1 files changed, 1 insertions, 0 deletions
diff --git a/acf/model/init.lua b/acf/model/init.lua
index 6aa5b7f..f29ff16 100644
--- a/acf/model/init.lua
+++ b/acf/model/init.lua
@@ -107,6 +107,7 @@ function M.Reference:_validate(context, value)
if object.isinstance(value, node.TreeNode) then value = node.path(value) end
local path = context.path
+ if type(value) ~= 'string' then raise(path, 'Path name must be string') end
if pth.is_absolute(value) then
local scope = self:abs_scope(context)