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Cannot modify header information - headers already sent by

Thread began 1/16/2022 8:31 am by rebuilt157571 | Last modified 1/17/2022 6:21 pm by Ray Borduin | 419 views | 2 replies |

rebuilt157571

Cannot modify header information - headers already sent by

I have an insert data php page that has been working fine for a year, hosted at GoDaddy Recently the ssl certificate updated and I had problems with only this website on my server. The website its self works fine, but I have an admin section for uploading data to MySql database. After the data is entered and submitted, the goto page is supposed to be: https://3dsound.org/protected/Event_Calendar_results.php I have the correct goto page listed in the php coding, but it goes back to a blank screen on this URL: https://3dsound.org/protected/Event_Calendar_insert.php If I highlight the url in the address bar and then hit my enter key the page insert page will come back up, Data is getting entered into the database OK.
I checked the error logs on the server and it shows this:

[16-Jan-2022 13:51:30 UTC] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/mississippi5/public_html/3dsound.org/protected/Event_Calendar_insert.php:1) in /home/mississippi5/public_html/3dsound.org/webassist/mysqli/queryobj.php on line 688

I don't know if it is a server problem or something on my site. I did upload a backup copy of the file and got the same results,
Thanks for your help

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Ray BorduinWebAssist

In some php versions you can't redirect if the page starts to write. In your case it looks like you may have a blank line or space on line 1 of Event_Calendar_insert.php. You can't have any blank lines or spaces above the <!doctype> tag.

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Did this help? Tips are appreciated...

rebuilt157571

Thank you very much Ray. That fixed my problem. I know PHP is very sensitive to code, but I missed that. Especially since the page had been working for some time.

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