Errors in Wampserver index.php (no replies)

Once I try to open localhost, here's the error message, I keep getting.

PS: I installed a new wampserver and the mariadb addon






( ! ) Notice: Undefined index: documentation in C:\wamp64\www\index.php on line 263
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0

( ! ) Notice: Undefined index: versmaria in C:\wamp64\www\index.php on line 271
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0

( ! ) Notice: Undefined index: mariaportUsed in C:\wamp64\www\index.php on line 272
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0

( ! ) Notice: Undefined index: docmaria in C:\wamp64\www\index.php on line 272
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0

( ! ) Notice: Undefined index: documentation in C:\wamp64\www\index.php on line 272
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0

( ! ) Notice: Undefined index: documentation in C:\wamp64\www\index.php on line 579
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0

( ! ) Notice: Undefined index: documentation in C:\wamp64\www\index.php on line 581
Call Stack
# Time Memory Function Location
1 0.0016 358776 {main}( ) ...\index.php:0