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Oops! Something went wrong Laminas\HttpHandlerRunner\Exception\EmitterException

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Hello friends, I hope you are doing well. I hope you can give me a hand. I updated my WHMCS version and after that, only 2 pages:

- add funds in client area
- account details in client area

It has this error message:


Something went wrong and we couldn't process your request.

Please go back to the previous page and try again.

For additional assistance, please reference the WHMCS TroubleShooting Guide »

Laminas\HttpHandlerRunner\Exception\EmitterException: Unable to emit response; headers already sent in /home/rapidove/public_html/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php:19
Stack trace:
#0 /home/rapidove/public_html/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitterTrait.php(36): Laminas\HttpHandlerRunner\Exception\EmitterException::forHeadersSent()
#1 /home/rapidove/public_html/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitter.php(27): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput()
#2 /home/rapidove/public_html/clientarea.php(0): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit()
#3 {main}


I appreciate all the help you can provide me.

Thank you.


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