XF 2.1 Can't upgrade (one click ACP)

Betclever

Well-known member
Hello,

I try to upgrade from XF 2.1.12 to XF 2.21 using the One-Click system but it doesn't work...

Error message: Not all files are writable. Please upgrade manually.

I double-checked and folders DATA, INTERNAL DATA, INSTALL are writable (0777)

I already upgraded from 2.09 to 2.1.12 using that system without having any technical issue but from 2.1.12 to 2.21 it doesn't work.

Thanks for your help.
 
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