# UnicodeDecodeError: 'utf-8' codec can't decode byte 0x96 in position 1300: invalid start byte make: \*\*\* \[train-core\] Error 1 **URL:** \ **Category:** Tutorials, Resources & Videos\ **Created:** [May 26, 2019, 5:08am UTC](https://forum.rasa.com/t/unicodedecodeerror-utf-8-codec-cant-decode-byte-0x96-in-position-1300-invalid-start-byte-make-train-core-error-1/10390 "2019-05-26T05:08:46Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![mrawat](https://avatars.discourse-cdn.com/v4/letter/m/f9ae1b/32.png) [@mrawat](https://forum.rasa.com/u/mrawat)\ **Post date:** [May 26, 2019, 5:08am UTC](https://forum.rasa.com/t/unicodedecodeerror-utf-8-codec-cant-decode-byte-0x96-in-position-1300-invalid-start-byte-make-train-core-error-1/10390/1 "2019-05-26T05:08:46Z")
I am folIowing this tutorial: [GitHub - RasaHQ/starter-pack-rasa-stack: 🎒Everything you need to build your first contextual chatbot with the open source Rasa Stack - includes files and training data](https://github.com/RasaHQ/starter-pack-rasa-stack) with updated nlu data and when i am running :make train-core, i am receiving below traceback when trying to train my rasa-core model Traceback (most recent call last): File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\runpy.py”, line 193, in \_run\_module\_as\_main “ **main** ”, mod\_spec) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\runpy.py”, line 85, in \_run\_code exec(code, run\_globals) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\train.py”, line 253, in additional\_args) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\train.py”, line 164, in do\_default\_training kwargs=additional\_arguments) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\train.py”, line 77, in train policies=policies) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\agent.py”, line 218, in **init** self.domain = self.\_create\_domain(domain) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\agent.py”, line 667, in \_create\_domain return Domain.load(domain) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\domain.py”, line 122, in load return cls.from\_yaml(read\_file(filename)) File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\site-packages\rasa\_core\utils.py”, line 357, in read\_file return f.read() File “C:\Users\mrawat\AppData\Local\Programs\Python\Python37\lib\codecs.py”, line 322, in decode (result, consumed) = self.\_buffer\_decode(data, self.errors, final) UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0x96 in position 1300: invalid start byte make: \*\*\* [train-core] Error 1 Can someone help please? ---
**Author:** ![JiteshGaikwad](https://avatars.discourse-cdn.com/v4/letter/j/77aa72/32.png) [@JiteshGaikwad](https://forum.rasa.com/u/JiteshGaikwad)\ **Post date:** [May 26, 2019, 8:15am UTC](https://forum.rasa.com/t/unicodedecodeerror-utf-8-codec-cant-decode-byte-0x96-in-position-1300-invalid-start-byte-make-train-core-error-1/10390/2 "2019-05-26T08:15:12Z")
hey @mrawat can you show your nlu data, might be there may be issue in your nlu.md file ---
**Author:** ![lluchini](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/lluchini/32/7609_2.png) [@lluchini](https://forum.rasa.com/u/lluchini)\ **Post date:** [March 12, 2020, 1:27pm UTC](https://forum.rasa.com/t/unicodedecodeerror-utf-8-codec-cant-decode-byte-0x96-in-position-1300-invalid-start-byte-make-train-core-error-1/10390/3 "2020-03-12T13:27:11Z")
Check all files that you edited are with encoding UTF-8, I had this problem and was because the encoding was changed by the editor. I used Notepad++ to convert back from ANSI to UTF-8 and worked normally again.