"this page isn't working"

[Pen]

I keep encountering error 500 after installing the script

https://images-wixmp-ed30a86b8c4ca887773594c2.wixmp.com/f/6524a883-0107-40f0-a8f3-08fcbcf44a55/de0kuwe-59f8f8fb-7c8a-4ab1-b932-e8f44e200e2e.png?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJ IUzI1NiJ9.eyJzdWIiOiJ1cm46YXBwOiIsImlzcyI6InVybjph cHA6Iiwib2JqIjpbW3sicGF0aCI6IlwvZlwvNjUyNGE4ODMtMD EwNy00MGYwLWE4ZjMtMDhmY2JjZjQ0YTU1XC9kZTBrdXdlLTU5 ZjhmOGZiLTdjOGEtNGFiMS1iOTMyLWU4ZjQ0ZTIwMGUyZS5wbm cifV1dLCJhdWQiOlsidXJuOnNlcnZpY2U6ZmlsZS5kb3dubG9h ZCJdfQ.bWcF9y6QlsBew7HLTA3HyFC0Yqg04t_Lw2hmHpoaoIE

I installed on a GoDaddy website. I have tried;
http://mysidiaadoptables.com/forum/showthread.php?t=5548&highlight=SQLSTATE%5B28000%5D+%5B1045%5D+Access+de nied+user

solutions here as my problem is identical to no avail

as well as reinstalling numerous times. any help would be greatly appreciated!

[Abronsyth]

Do you know what PHP version GoDaddy uses? Mysidia isn't compatible with newer versions.

[Pen]

PHP version: 7.2.7

is there away to change this?

Edit: figured out how, what version of php do i use?

Edit edit: I used 5.6 and it worked! thank you so much