mkdir(): File exists when exporting Excel file on laravel on IIS8 - laravel

Question

I'm trying to Export an Excel file from laravel using the maatwebsite/Excel package, and everything was working fine locally, but when I wanted to put it on the IIS Server, I get this Error:
here's the code responsible for the error in my Controller:
$date = Carbon::now()->format("d-m-y-h-m-s");
$data1= json_decode( json_encode($data), true);
$export = new ExcelExport((array) $data1);
$file= Excel::store($export,storage_path('app')."\jobshistorie".$date.".xlsx", "local");
I gave the permissions of the entire Project Directory to the Server.
I also have the web.config file in public Directory:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="Rule 1" stopProcessing="true">
<match url="^(.*)/$" ignoreCase="false" />
<action type="Redirect" redirectType="Permanent" url="/{R:1}" />
</rule>
<rule name="Rule 2" stopProcessing="true">
<match url="^" ignoreCase="false" />
<conditions>
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" negate="true" />
</conditions>
<action type="Rewrite" url="index.php" />
</rule>
</rules>
</rewrite>
</system.webServer>
</configuration>
I could use all the help i can get, thanks!

Answer 1

I guess I am late but you can try clearing the cache as:
php artisan config:cache
or
php artisan config:clear
Hope it might help.