CalcBuilder Forum

Unsucceessful first calculator launch

User Dmytro Sapolovych 2025-11-16 16:13:30

Hi guys,
I was trying to make a simple sample calulcator using excel file without any php / js code but didn't succeed at all.

1) First after I set up my sample there was no action after I push the Calculate button. At the same time in the Chrome's console I found 1 error: "Failed to load resource: the server responded with a status of 500 ()" (deeper research showed the comment - Content unavailable. Resource was not cached.

At the same time there were no any other details. The web server error logs also did not record a detailed 500 error.

2) I had to contact my hosting provider to find out the issue source. 'cos I thought its affiliated with the server restrictions. But the first thing the support guy saw was an error page (please see the screeenshot attached.). I beleive it appears when several people are trying to open the link at the same time. Cos it's happend to me when I was trying to open the link from my laptop and phone within 30 seconds: it is ok from laptop and an error on my phone.

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