Then please check there is any languages folder in your wp-content folder .
check of there are "themes " and " plugins " folder in your wp-content/languages folder .
Please also try increasing your php configuration .
This is our test site configuration :
WP Memory Limit: 128 MB
WP Max Upload Size: 64 MB
PHP Post Max Size: 64 MB
PHP Time Limit: 300
PHP Max Input Vars: 1000
If all these are correct and still facing issues then please try using the
code styling plugin or po-editor software for translation .