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Julien GRAVOUEILLE

I try to write on field 'description' with record.write in automated action but i have a raise UserError :

File "/home/odoo/src/odoo/addons/project/models/project.py", line 1771, in write
    handle_history_divergence(self, 'description', vals)
  File "/home/odoo/src/odoo/addons/web_editor/controllers/main.py", line 44, in handle_history_divergence
    incoming_history_ids = incoming_history_matches[1].split(',')
TypeError: 'NoneType' object is not subscriptable

Thanks for you reply

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Fernando de la Nuez Granizo

Hi Julien i have the same issue, i found that, is related to adding multiple lines on the field, it seems to be an odoo bug, still looking for a solution...

Giles M

Same issue here on Odoo.sh, affecting multiple users, started this week.. I've raised a support request, awaiting a response.

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Fernando de la Nuez Granizo
Best Answer

Hi Julien, i have commented this lines in the /addons/project/models/project.py

# if len(self) == 1:
# handle_history_divergence(self, 'description', vals)

And now is working, i think this is not a correct solution, but, in order to continue using the software, it works.

As Siddarth says, the value of incoming_history_matches is None, so, my conclusion is that this error is a bug of odoo relate to the function handle_history_divergence

Regards, 

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Julien GRAVOUEILLE
Author Best Answer

I don't have access to this.... and last week all my record work correctly. This error is just on the field description. Then i look the html i see on

  data-last-history-steps an id and if i make an server action this work

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Siddharth Tarpada, Siddharth Tarpada
Best Answer

Because you are getting False or None in value of incoming_history_matches.

Try to trace this by printing value of field incoming_history_matches.

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