symfony demo app: Error: InvalidArgumentException: A non-empty secret is required. #60977
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skipper-henrik
skipper-henrik
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After setting up the demo app, I see the Profiler-error-page saying: InvalidArgumentException: A non-empty secret is required. 
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Answered by
skipper-henrik
Jun 30, 2025
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thank you mleczakm on slack! just Could be noted in the readme.md for dummies like me… |
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skipper-henrik
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thank you mleczakm on slack!
just
editing .envtoAPP_SECRET=somethingand demo app started in Browser. Has nothing to do with PHP version.
Could be noted in the readme.md for dummies like me…