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Hey ! I am making a custom report for my client and for testing purpose , after making some changes I download the report to see changes and to be honest i did that many times since last two days and now i am unable to download it as it says 

Odoo Server error

Wkhtmltopdf failed (error code: -11). Memory limit too low or maximum file number of subprocess reached. Message : b''

I find nothing about this error on search engine. Anyone has any idea how to fix this? Thanks in advance

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hey Niyas i am using this version of "wkhtmltopdf 0.12.1.3 (with patched qt)"

I was using two tables in a report and this error starts popping and now after removing one it is fixed. I think it has something to do with page length or i dont know.

Best Answer

Hello,

There is some issue with wkhtmltopdf library; Hence, you need to update the library version. Refer to the blog below to know how to update the library version.

https://webkul.com/blog/odoo-wkhtmltopdf-upgrade-version/

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i think u forgot to check here in odoo itself odoo

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Sorry and thank you for your reply but this was the issur

I was using two tables in a report and this error starts popping and now after removing one it is fixed. I think it has something to do with page length or i dont know.