Admin Export & Import Data Pages Is Blank

we are using cs-cart 4.1.5

- in the admin panel Export and import data pages doesn't open (just blank page)

and all other admin pages are working fine

what should i do?

Thanks

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Delete files in /var/cache/. If that doesn't fix it then further examination is required.

In the config.local.php replace

ini_set('display_errors', 0);

with

ini_set('display_errors', 1);
define('DEVELOPMENT', true);

Most possibly error message will be displayed in this case

i renamed the /var/cache and it created a new one but i found this error whe i try open the Export Data Page or Import Data Page in the admin panel

int(32767) string(1) "1" string(1) "0"

so what is next?

In the config.local.php replace

ini_set('display_errors', 0);

with

ini_set('display_errors', 1);
define('DEVELOPMENT', true);

Most possibly error message will be displayed in this case

i renamed the /var/cache and it created a new one but i found this error whe i try open the Export Data Page or Import Data Page in the admin panel

int(32767) string(1) "1" string(1) "0"

also i changed the values as you told me in the config.local.php but i i think it didn't work, i didn't understand

so what is next?

PM me temporary FTP access, our specialists will check the issue