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Module not installable error XML or Manifest (Odoo saas~19.2+e)

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This question has been flagged
configurationmodulesmodification
3 Replies
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Marcos Perez

Good morning,

I'm trying to create a module to apply common XML customizations for clients. I usually do this using Odoo Studio.

However, when I try to install the module, I get the following error:

AssertionError: Module not installable

The only thing I can confirm is that the issue is somewhere in the code. I've included the manifest and the XML code below.

__manifest__.py

# -*- coding: utf-8 -*-
	​​{
	​    'name': 'Bodegas',
	​    'version': '19.2.0.1',
	​    'category': 'Accounting',
	​    'depends': ['account','studio_customization'],
	​    'author': 'D',
	​    'website': '',
	​    'data': [
	​        'views/report_invoice_document_inherit.xml'
	​    ],
	​    'license': 'LGPL-3',
	​    'installable': True,
	​    'application': False
	​}
report_invoice_document_inherit.xml
<?xml version="1.0" encoding="utf-8"?>
	​<odoo>
	​    <template id="report_invoice_document_inherit" inherit_id="account.report_invoice_document">
	​        <xpath expr="//div[@id='informations']" position="after">
	​            <div class="oe_structure" t-if="o.x_studio_albaran">
	​                <strong>ALBARANES:</strong>
	​                <span t-field="o.x_studio_albaran"/>
	​            </div>
	​            <div class="oe_structure">
	​                <br/>
	​            </div>
	​        </xpath>
	​    </template>
	​</odoo>

Thank you in advance for your help.


EDIT: Just wanted to confirm that I have an __init__.py empty.

0
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Zrušiť
Codesphere Tech

Hello,
Please confirm that you have added __init__.py file in your module..

Marcos Perez
Autor

Between double-checking the XML and commenting the version line in the manifest. It worked perfectly. Thank you so much.

Codesphere Tech

Regarding the SaaS Custom module: you don't need to manually specify the version. It automatically defaults to the version of the Odoo instance you are currently running.

Avatar
Codesphere Tech
Best Answer

Hello,
Can you please try to comment version and then restart odoo.?
Hope this helps you
Thanks.

1
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Zrušiť
Marcos Perez
Autor

I think the problem was the version. Thank you so much

Avatar
Zehntech Technologies Inc.
Best Answer

Hello,

Yes, this type of customization is definitely achievable via a custom module.

The “Module not installable” error is usually not related to the XML logic itself but rather to structural issues in the module. Based on your snippet, here are a few things to check:

  • Ensure there are no hidden/invalid characters or indentation issues in the __manifest__.py (this is a common cause, especially when copying code).
  • Verify that the dependency 'studio_customization' is correct and available in your environment (in SaaS, this may not always be installable).
  • Confirm that the inherited template (account.report_invoice_document) exists and is correctly referenced.
  • Double-check that your XML file is properly loaded and has no encoding or syntax issues.

If all looks correct, try reinstalling after cleaning the module or testing in a fresh database to isolate the issue.

Hope this works for you! Feel free to reach out for further discussion.

Regards,

Zehntech Technologies Inc.

santosh.sekwadia@zehntech.com

1
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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

Hi,

Yes, the issue is in the manifest file. The XML file path is placed under the key 'date', but Odoo only recognizes 'data' for loading XML, CSV, and view files. Because of this typo, the XML is never loaded, which causes the module installation to fail and may trigger the assertion error.

Please change this:

'date': [
    'views/report_invoice_document_inherit.xml'
],

to:

'data': [
    'views/report_invoice_document_inherit.xml'
],

After correcting it, update the apps list and try installing the module again. The XML structure itself looks fine, so this manifest typo is the likely root cause.


Hope it helps

-1
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Zrušiť
Marcos Perez
Autor

Hello,
Please check the manifest, I have the key 'data' not the key 'date'.

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