Diagnostics & troubleshooting
Upload limit problems
File too large for upload — PHP and Nginx limits.
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PHP limits
Increase upload_max_filesize and post_max_size (post_max_size must be ≥ upload_max_filesize). Global: Web stack → PHP.ini. Per project: Web → PHP params.
upload_max_filesize = 64M post_max_size = 64M memory_limit = 256M
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Nginx limit
In virtual host config add or increase client_max_body_size (e.g. 64m). Save and reload Nginx.
client_max_body_size 64m;
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Verify active values
On PHP params tab use «Show active values» to see actual pool settings after change.