My b2evolution Version: Not Entered

i am using B2evo 2.4.2 im trying to install

The v1.2.5.2-final (recommended) version of the gallery plugin.

i get this error when installing

ERROR: Conflicting function versions:
Function [scan_dir]
Original Version [6]
Attempted Version [4.2]

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Parse error: syntax error, unexpected $end in /home/hend4273/public_html/plugins/avatars_plugin/resources/functions/_scan_dir.funcs.php(167) : eval()'d code on line 1

Fatal error: Call to undefined function create_valid_location() in /home/hend4273/public_html/plugins/gallery_plugin/_gallery.php on line 190

can any one explain this ?