warning on manage-files.php

[lenamtl]

On clean install I have this warning

( ! ) Warning: array_keys() expects parameter 1 to be array, boolean given in ...projectsend\includes\functions.php on line 68
Call Stack
Time    Memory  Function    Location
1   0.0050  423880  {main}( )   ...\manage-files.php:0
2   0.0770  2968112 sql_add_order( )    ...\manage-files.php:407
3   0.0770  2982776 array_keys ( )  ...\functions.php:68

( ! ) Warning: array_merge(): Argument #1 is not an array in ...projectsend\includes\functions.php on line 69
Call Stack
Time    Memory  Function    Location
1   0.0050  423880  {main}( )   ...\manage-files.php:0
2   0.0770  2968112 sql_add_order( )    ...\manage-files.php:407
3   0.0790  2982776 array_merge ( ) ...\functions.php:69