add troubleshoot issue

docs/development/troubleshooting.md

@@ -257,3 +257,20 @@ and relying on DJL's `NDManager` to efficiently GC the memory. You can do that b
 ```
 -Dai.djl.disable_close_resource_on_finalize=true
 ```
+
+## 11. Special character issues (PaddlePaddle)
+
+Please remember to not include special characters in your data/model path. Like "数据" or some non-asicii character.
+
+```
+C++ Traceback (most recent call last):
+Not support stack backtrace yet.
+Error Message Summary:
+NotFoundError: Cannot open file C: \Users\数据\.dil.ai\cache\repo\model\undefined\ai\dil|localmodelzoo\d4cb1b0cfc0101b98c3fec6f29568bef\.model
+please confirm whether the file is existeed!
+
+[Hint: Expected static_cast<bool>(fin.is_open()) == true, but received static_cast<bool>(fin.is_open)):0 != true:1.]
+fatal error has been detected by the Java Runtime Environment:
+```
+
+