Putenv PHP Extension Is Required . This PHP function is required. Please enable it .
putenv is disabled for security reasons and can’t be enabled. So if you’re installing a software that requires it, it can’t be installed on free hosting and needs to be removed or a better alternative to it needs to be used.
Like the last 26 times this question was asked, putenv is not, cannot and will not be enabled.
For the reasons why, please read some of the many previous topics about this issue: