Fastest working fix now
Install this plugin:
WooCommerce Shortcodes
Steps:
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Plugins → Add New
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Search WooCommerce Shortcodes
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Install and Activate
This plugin auto-loads missing WooCommerce templates in themes that don’t support WooCommerce fully.
After activation:
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Refresh a product page
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It should now display
If you still get blank page
Then we use WooCommerce’s own fallback loader via functions.php — but without Code Snippets.
Since plugin install works fine, this one will too.
Alternative plugin:
WooCommerce Template Loader
Search exactly:
Install and activate.
Why this avoids your 503 issue
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No snippet editor
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No heavy builder
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No theme switching
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Very small plugins
One more thing
After installing either plugin:
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Go to WooCommerce → Status → Tools
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Click Clear template cache
Then test.
If you tell me which of the two plugins you installed, I’ll give the next exact click if needed.
